Terms of Service
These Terms of Service (the “Terms”) set out the conditions for using the application “Color Walker,” its related website, and related services (collectively, the “App”) provided by GREENSTUDIO (the “Company”). By downloading, installing, accessing, or using the App, you are deemed to have agreed to these Terms.
Last updated: July 10, 2026
Article 1 Eligibility
Only users who agree to these Terms may use the App. If a user is a minor, they must use the App with the consent of a parent, guardian, or other legal representative.
Article 2 Paid Services
The App may offer paid services that provide additional features, extended functionality, or digital content. Paid services may include one-time purchases and subscription-based billing.
2.1 Payment Terms
- Fees for paid services are charged through your store account, such as the App Store or Google Play.
- One-time purchase fees are charged as a single payment, while subscription fees are provided on a monthly or annual basis depending on the plan you select.
2.2 Free Trial (subscriptions only)
- Subscription-based paid services may include a free trial for a certain period. When the free trial ends, billing begins automatically.
2.3 Automatic Renewal (subscriptions only)
- Subscription services renew automatically unless canceled at least 24 hours before the end of the current billing period.
- The renewal fee is charged to your store account before the end of the current billing period.
2.4 Cancellation
- You can cancel or manage subscription services yourself at any time from your App Store or Google Play account settings.
- Even if you cancel a subscription, you can continue to use the relevant features until the end of the billing period.
- The Company and the App cannot cancel a subscription on your behalf.
2.5 Handling upon Service Termination
- If the Company discontinues the App, paid services may also be discontinued. In that case, the Company will provide advance notice before the App ends and will endeavor to maintain access to features during the billing period as far as possible.
- The Company may be unable to provide refunds for one-time purchases or subscriptions upon discontinuation of the App. If you wish to request a refund, please contact the App Store or Google Play.
- Depending on the Company’s operations or the availability of the App, it may become difficult to provide the App until the end of a subscription’s billing period.
Article 3 User Content
“User Content” refers to photos, images, collages, display names, group names, descriptions, and other information that a user captures, selects, edits, generates, saves, shares, or uploads in the App.
- Users shall use only User Content for which they hold the necessary rights.
- When using images that include people, facilities, products, copyrighted works, trademarks, or personal information, users are responsible for obtaining any necessary permissions and taking appropriate care.
- Rights to User Content are reserved by the user or the rightful rights holder.
- Users grant the Company permission to handle User Content to the extent necessary for providing, displaying, sharing, storing, distributing, generating thumbnails, investigating incidents, moderating, and otherwise operating the App.
Article 4 Group Features and Image Sharing
The App includes features that allow multiple users to create or join groups, draw assigned colors, take photos, and share collage images.
- Images uploaded to a group are shared with members of the same group and may be viewed or downloaded.
- The group host and the user who uploaded an image may be able to delete the uploaded image within the scope defined by the Company.
- A group may be closed or deleted after a certain period or by action of the host.
- Users are responsible for managing group join URLs, join codes, QR codes, and similar information.
Article 5 User Identifiers and Temporary Data
To provide features such as groups, the App may use temporary user identifiers, join history, group information, and metadata of posted images that do not involve account registration.
- Temporary user identifiers may be lost due to device changes, reinstalling the App, deleting data, and similar actions.
- Data such as groups, posted images, and join history may be deleted due to the passage of the retention period, host actions, moderation, incident response, or operational reasons.
- The Company does not guarantee that User Content or group data will be stored permanently.
Article 6 Reporting and Moderation
Users may be able to report content they consider inappropriate, such as images shared within a group. The Company or the App’s mechanisms may take necessary action based on report content, posted content, usage, and similar factors.
- Reported images may be hidden or deleted when certain conditions are met or when the Company deems it necessary.
- A group host may remove specific users from a group and restrict their re-entry, within the scope defined by the Company.
- Where there is a violation of these Terms, a violation of law, nuisance, misuse, or other conduct the Company deems inappropriate, the Company may take measures such as usage restrictions, deletion of posts, restrictions on group participation, or overall suspension of use.
- The Company is not obligated to individually disclose the content, criteria, or reasoning of reports or moderation actions.
Article 7 Prohibited Conduct
In using the App, users shall not engage in any of the following conduct.
- Conduct that violates laws, public order and morals, or these Terms.
- Conduct that infringes the copyrights, trademarks, portrait rights, privacy, reputation, credit, or other rights or interests of others.
- Posting or sharing inappropriate User Content, such as obscene, violent, discriminatory, harassing, bullying, or spam content, or content that improperly includes personal information.
- Improperly obtaining, sharing, or using join URLs, join codes, QR codes, and similar information.
- Decompiling, reverse engineering, modifying, excessively accessing, probing for vulnerabilities, improperly automating, or otherwise interfering with the operation of the App.
- Any other conduct the Company deems inappropriate.
Article 8 Intellectual Property Rights
Intellectual property rights in the App, this website, logos, designs, programs, text, images, and other materials related to the App belong to the Company or the rightful rights holders. All rights not expressly stated in these Terms are reserved.
Article 9 External Services and Stores
The App may integrate with the App Store, Google Play, operating systems, browsers, cloud services, notifications, destination social media for sharing, and other external services. Use of external services is subject to the terms, policies, specifications, and restrictions defined by each provider.
Article 10 Disclaimer
The Company does not guarantee that the App and related services will be provided without interruption, delay, error, data loss, display issues, communication failures, or security problems.
- The Company is not liable for the storage, sharing, deletion, downloading, or third-party use of User Content, except where liability cannot be excluded under applicable law.
- Disputes arising between users, between group members, or with third parties shall be resolved by the users at their own responsibility.
- The Company is not liable for damages arising from use of the App, except where liability cannot be excluded under the Consumer Contract Act or other applicable laws.
Article 11 Suspension and Termination
Where a user violates these Terms, where a violation of law or misuse is suspected, or where the Company otherwise deems it necessary, the Company may, without prior notice, suspend all or part of the App, delete posts, restrict group participation, terminate the agreement, or take other necessary measures.
Article 12 Changes to the Terms
The Company may revise these Terms as necessary. The revised Terms take effect when displayed on this website or within the App. If you use the App after a revision, you are deemed to have agreed to the revised Terms.
Article 13 Handling of Personal Information
The Company handles users’ personal information, device information, usage information, user identifiers, uploaded information, and other information in accordance with the Privacy Policy separately established by the Company.
Article 14 Governing Law and Jurisdiction
These Terms are governed by and construed in accordance with the laws of Japan. Any dispute arising in connection with these Terms or the App shall be subject to the exclusive jurisdiction of the Tokyo District Court as the court of first instance.
Article 15 Contact
For questions about these Terms, please reach out via the contact page.