Android sandboxes Ren’Py strictly.
If you are developing a game and this message appears as a blank screen or causes an error, your custom confirm screen might be missing the necessary logic to handle these specific prompts. You need to ensure your UI can display the UNKNOWN_TOKEN and TRUST_TOKEN messages. Linking Saves Across Devices renpy this save was created on a different device link
If you are moving saves to an Android device and encountering security errors, users on recommend this workaround: Connect your Android device to a computer. Create a file named security_keys.txt containing only the text: Signing-key Set the file to Android sandboxes Ren’Py strictly
: If your screen goes blank when trying to load, the game's code might be missing the required "Yes/No" prompts for this security check. Developers must update their confirm screen in the game's code to support these new security messages. Manual Workarounds Linking Saves Across Devices If you are moving
In some games with custom UIs, this prompt may appear as a blank screen if the developer hasn't updated their confirm screen to include the new security prompts ( UNKNOWN_TOKEN and TRUST_TOKEN ). Workarounds & Solutions
If you moved your saves but your gallery is empty, you forgot the persistent file mentioned above. Move that file into the new save folder to restore your unlocks. Android "Scoped Storage" Problems
In most modern Ren'Py games, you should see a prompt asking if you trust the device the save was created on.