MuMuPlayer Developer Platform User Agreement

Effective Date: Mar 16, 2026

PLEASE READ THIS USER AGREEMENT CAREFULLY. THIS IS A LEGAL AGREEMENT BETWEEN YOU AND NETEASE (HONG KONG) LIMITED ("NETEASE," "WE," "US," OR "OUR").

This User Agreement (the "Agreement") governs your access to and use of the MuMuPlayer Developer Platform (the "Platform"), available at developers.mumuplayer.com, and any related software development kits, tools, documentation, data, and services provided by NetEase (collectively, the "Services").

BY CLICKING "I ACCEPT," REGISTERING FOR AN ACCOUNT, OR OTHERWISE ACCESSING OR USING THE SERVICES, YOU (A) ACKNOWLEDGE THAT YOU HAVE READ AND UNDERSTAND THIS AGREEMENT; (B) REPRESENT THAT YOU ARE OF LEGAL AGE AND HAVE THE AUTHORITY TO ENTER INTO THIS AGREEMENT (PERSONALLY OR ON BEHALF OF THE ENTITY YOU NAMED AS THE USER); AND (C) ACCEPT THIS AGREEMENT AND AGREE THAT YOU ARE LEGALLY BOUND BY ITS TERMS. IF YOU DO NOT AGREE TO THESE TERMS, DO NOT ACCESS OR USE THE SERVICES.

1. Definitions

• "Developer Content" means any game, application, code, text, graphics, or other materials you submit, upload, publish, or display through the Services.
• "MuMu SDK" means the software development kit(s) provided by NetEase that allows you to adapt and run applications within the MuMuPlayer emulator environment.
• "Platform Data" means all data generated by or collected through the Platform's operation, including analytics, usage statistics, and performance metrics, but excluding your Developer Content and Personal Data.
• "Personal Data" means any information relating to an identified or identifiable natural person, as further defined in our Privacy Policy.

2. Account Registration and Security
2.1. To access certain Services, you must register for a developer account ("Account"). You agree to provide accurate, current, and complete information during registration and keep your Account information updated. You must complete any required enterprise verification as guided by the Platform.
2.2. You are responsible for maintaining the confidentiality of your Account credentials and for all activities that occur under your Account. You must notify us immediately of any unauthorized use of your Account or any other security breach.
2.3. You represent that you are a business, entity, or professional individual acting in a commercial capacity, and not a consumer. You have the necessary power and authority to enter into this Agreement on behalf of yourself or the entity you represent. All actions taken under your Account, including registration, submission of materials, agreement to terms, and any fee settlements, are binding on you.
2.4. Your right to use the Account is personal and non-transferable. You may not assign, gift, sell, rent, or otherwise transfer your Account to any third party without NetEase's prior written consent.
2.5. NetEase reserves the right to suspend or terminate your Account if any information provided is inaccurate, outdated, incomplete, or inauthentic, or if you are in violation of this Agreement. NetEase may delete Accounts that have been inactive for 365 consecutive days, after which all associated data may be irretrievable.

3. Platform Services and Developer Responsibilities
3.1. The specific content of the Services is provided by NetEase based on its operational reality. NetEase reserves the right to modify, adjust, or change the Services at any time. NetEase may make announcements or notices regarding specific services through system bulletins, web notices, or other means. Such announcements and notices form an integral part of this Agreement. Your continued use of the Platform after the issuance of such announcements or notices constitutes your acknowledgment and acceptance of them.
3.2. You must ensure that all information, content, and applications you publish or upload to the Platform ("Developer Content") are either your original works for which you hold all necessary intellectual property rights, or you have obtained full authorization from the rightful owner. You represent and warrant that your Developer Content does not infringe upon the rights and interests of any third party.
3.3. NetEase does not assume any obligation to review the legality of your Developer Content or your activities on the Platform. However, NetEase reserves the right to review such content in accordance with applicable laws and regulations. NetEase has the right to determine whether your Developer Content or use of the Platform complies with this Agreement and may, without prior notice, terminate your access, remove your content, or disable links to content deemed illegal or infringing. NetEase is not liable for the deletion or failure to store any content you transmit.
3.4. Applications you upload must comply with the Platform's unified technical and security requirements. You must handle end-user Personal Data and other data in strict compliance with applicable data security and personal information protection laws and regulations to ensure end-user rights are not infringed.

4. License Grants
4.1. License to You. Subject to your compliance with this Agreement, NetEase grants you a limited, worldwide, non-exclusive, non-transferable, non-sublicensable, and revocable license to: (a) access and use the Platform; and (b) download, install, and use the MuMu SDK solely for the purpose of developing, testing, and distributing your applications to be compatible with the MuMuPlayer emulator.
4.2. License to NetEase. You retain all intellectual property rights in your Developer Content. However, you hereby grant NetEase and its affiliates an irrevocable, worldwide, perpetual, royalty-free, non-exclusive license to use, reproduce, modify, adapt, publish, translate, create derivative works from, distribute, perform, and display your Developer Content (in whole or in part) for the purposes of providing, operating, and improving the Services, as well as for marketing and promotional purposes related to the Platform. This license survives termination to the extent necessary for NetEase to fulfill legal or audit obligations.

5. Use Restrictions
You shall not, and shall not permit any third party to:
5.1. Use the Services for any illegal purpose or in violation of any applicable laws or regulations, including but not limited to the distribution of content that is defamatory, obscene, pornographic, promotes violence, hatred, or discrimination, or infringes on the rights of others.
5.2. Reverse engineer, decompile, disassemble, or otherwise attempt to discover the source code or underlying ideas or algorithms of the Services or MuMu SDK, except to the extent such prohibition is expressly prohibited by applicable law.
5.3. Modify, create derivative works of, or remove any proprietary notices from the Services or MuMu SDK.
5.4. Use the Services to distribute any malware, spyware, or other harmful or deceptive code, or any content that violates third-party rights (including privacy and intellectual property rights).
5.5. Use the Services to build a competitive product or service, or for any benchmarking or competitive analysis purposes.
5.6. Use any automated means (e.g., bots, spiders, scrapers) to access the Services or extract Platform Data, except as expressly permitted by NetEase.
5.7. Interfere with or disrupt the integrity or performance of the Services or the data contained therein, including by overloading the servers through high-frequency access.
5.8. Share your Account credentials or otherwise transfer your access to the Services to any third party.

6. Intellectual Property Rights
6.1. NetEase Property. NetEase and its licensors retain all right, title, and interest, including all intellectual property rights, in and to the Services, the MuMu SDK, the Platform Data, and the NetEase and MuMuPlayer trademarks, logos, and brand features (the "NetEase Property"). This Agreement does not grant you any right, title, or interest in the NetEase Property except for the limited licenses expressly set forth herein.
6.2. Platform Data. NetEase owns all rights in the aggregated and anonymized Platform Data, which is considered a trade secret. You may not disclose or use any Platform Data for any purpose outside the scope of this Agreement without NetEase's prior written consent.
6.3. Feedback. You may provide suggestions, comments, or feedback regarding the Services ("Feedback"). NetEase may freely use, copy, disclose, license, and exploit such Feedback without any obligation, royalty, or restriction.

7. Data Protection and Privacy
7.1. Privacy Policy. Your submission of Personal Data through the Services is governed by our Privacy Policy for the MuMuPlayer Developer Platform, available at https://www.mumuplayer.com/privacy-policy.html ("Privacy Policy"). You agree to the collection and use of your data as described in the Privacy Policy.
7.2. Your Data Obligations. You are solely responsible for the Developer Content and the Personal Data of end-users processed therein. You must comply with all applicable data protection laws (e.g., GDPR, CCPA) and ensure you have a lawful basis and provide appropriate notices for NetEase's processing of such data as described in the Privacy Policy.

8. Disclaimer of Warranties
THE SERVICES AND MUMU SDK ARE PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTY OF ANY KIND. TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, NETEASE EXPRESSLY DISCLAIMS ALL WARRANTIES, WHETHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE, NON-INFRINGEMENT, AND ANY WARRANTIES ARISING FROM COURSE OF DEALING OR USAGE OF TRADE. NETEASE DOES NOT WARRANT THAT THE SERVICES WILL BE UNINTERRUPTED, SECURE, ERROR-FREE, OR FREE OF HARMFUL COMPONENTS. NETEASE IS NOT LIABLE FOR THE DELETION OR FAILURE TO STORE ANY DATA.

9. Limitation of Liability
9.1. TO THE FULLEST EXTENT PERMITTED BY LAW, IN NO EVENT SHALL NETEASE, ITS AFFILIATES, OR THEIR RESPECTIVE DIRECTORS, OFFICERS, EMPLOYEES, OR AGENTS BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES, OR ANY LOSS OF PROFITS, REVENUE, DATA, OR GOODWILL, ARISING OUT OF OR IN CONNECTION WITH THIS AGREEMENT OR THE USE OF OR INABILITY TO USE THE SERVICES, WHETHER BASED ON WARRANTY, CONTRACT, TORT (INCLUDING NEGLIGENCE), OR ANY OTHER LEGAL THEORY, EVEN IF NETEASE HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
9.2. NETEASE'S TOTAL AGGREGATE LIABILITY ARISING OUT OF OR RELATING TO THIS AGREEMENT OR THE SERVICES, WHETHER IN CONTRACT, TORT, OR OTHERWISE, SHALL NOT EXCEED THE GREATER OF (A) ONE HUNDRED U.S. DOLLARS (USD $100), OR (B) THE AMOUNT YOU HAVE PAID TO NETEASE FOR THE SERVICES IN THE TWELVE (12) MONTHS PRIOR TO THE EVENT GIVING RISE TO LIABILITY.
9.3. THE LIMITATIONS IN THIS SECTION 9 SHALL APPLY EVEN IF ANY LIMITED REMEDY FAILS OF ITS ESSENTIAL PURPOSE.

10. Indemnification
You agree to indemnify, defend, and hold harmless NetEase, its affiliates, and their respective officers, directors, employees, and agents from and against any and all claims, liabilities, damages, losses, costs, and expenses (including reasonable attorneys' fees) arising out of or in connection with: (a) your Developer Content; (b) your use of the Services in violation of this Agreement or any law; (c) your violation of any third-party right; or (d) your negligence or willful misconduct. NetEase reserves the right to assume the exclusive defense and control of any matter subject to indemnification by you.

11. Term and Termination
11.1. This Agreement commences on the date you accept it and continues until terminated.
11.2. You may terminate this Agreement at any time by ceasing all use of the Services and closing your Account.
11.3. NetEase may suspend your access to the Services or terminate this Agreement immediately upon notice if you materially breach this Agreement. NetEase may also suspend or terminate the Services for maintenance, emergency repairs, force majeure events, or any operational or legal reason, with notice where practicable.
11.4. Upon termination, all licenses granted herein will immediately terminate. Sections 4.2 (License to NetEase), 6 (Intellectual Property Rights), 8 (Disclaimer of Warranties), 9 (Limitation of Liability), 10 (Indemnification), and 12 (General Provisions) shall survive termination.

12. Governing Law and Dispute Resolution
12.1. This Agreement, and any dispute or claim arising out of or in connection with it, shall be governed by and construed in accordance with the laws of Singapore, without regard to its conflict of laws principles.
12.2. Any dispute arising out of or relating to this Agreement, including any question regarding its existence, validity, or termination, shall be referred to and finally resolved by arbitration in Singapore administered by the Singapore International Arbitration Centre (SIAC) in accordance with the Arbitration Rules of the SIAC for the time being in force, which rules are deemed to be incorporated by reference in this clause. The seat of the arbitration shall be Singapore. The tribunal shall consist of one (1) arbitrator. The language of the arbitration shall be English.

13. General Provisions
13.1. Modifications. NetEase reserves the right to modify this Agreement at any time. We will provide notice of material changes by posting the new Agreement on the Platform with an updated effective date. Your continued use of the Services after the effective date constitutes acceptance of the revised terms.
13.2. Export Compliance. You agree to comply with all applicable export and re-export control laws and regulations, including those of the United States and Singapore.
13.3. Entire Agreement. This Agreement, together with the Privacy Policy, constitutes the entire agreement between you and NetEase regarding the Services and supersedes all prior agreements and understandings.
13.4. Severability. If any provision of this Agreement is held invalid or unenforceable, the remaining provisions will remain in full force and effect.
13.5. Waiver. No failure or delay by NetEase in exercising any right under this Agreement shall constitute a waiver of that right.
13.6. Notices. Notices to you may be sent via email to the address associated with your Account or posted on the Platform. Notices to NetEase should be sent to: legal@mumuplayer.com.
13.7. Force Majeure. NetEase will not be liable for any failure or delay in performance due to causes beyond its reasonable control, including acts of God, war, terrorism, government regulations, network or infrastructure failures, or other force majeure events.