You can do cheat engine cheat or save editor for that.
Viewing post in Living In Viellci [V0.3 Beta] comments
Hmm not entirely sure, but maybe you can search it up on Google "How to edit Renpy game save file for android" or https://www.reddit.com/r/RenPy/comments/pqki93/save_files_on_android/ this might help.
Cheers!