Most Ren'Py games (unless the developer disabled it) have a built-in developer console. On Android, you can often enable it by:
Editing your progress in Ren’Py-based visual novels on Android can be challenging due to how the operating system handles file permissions, but it is achievable using online tools and specific file-management strategies. Finding Your Ren’Py Save Files on Android renpy save editor for android
As of 2025, RenPy 8.0+ has introduced better encryption standards. Developers are moving towards cloud saves and server-side validation for microtransactions. However, for single-player visual novels, the humble save file remains vulnerable to clever editors. Most Ren'Py games (unless the developer disabled it)