: This specific term does not appear to be a standard game item or a recognized mod/tool for save editing. In forensic contexts, "solid paper" can refer to a waxy paper used to seal tubes, but if you are referring to a specific save file editor or cheat engine table by that name, it may be a niche community tool available on specialized modding forums.
/data/data/com.contraband.police.mobile/shared_prefs/CP_Save.json
This is the holy grail for players who want to sandbox. These save files usually feature:
A: Yes. On Android, if you uninstall, the data/data folder is wiped. That’s why backing up the contraband police save file top before uninstalling is critical.
If you cannot see the AppData folder, ensure that "Hidden items" is enabled in your File Explorer settings. How to Back Up Your Progress