Cthulhu is a homebrew application for managing play time history, step history and cached icon data. The goal of this app is to provide an open-source alternative to some of the 3DS Development Unit Software, alongside with extra features. Current version: v1.3.2 (May 28, 2017) Why "Cthulhu"? I found the pronunciation similar to "Cache Tool". It's also a cool name. Current Features: - Clear play time history: clears your play time history (it can be seen at Activity Log under "Daily Records"). This can't be undone without a backup of your PTM savefile. - Clear step history: clears your step history (it can be seen at Activity Log under "Daily Records"). This can't be undone without a backup of your PTM savefile. - Clear software library: clears your software library (it can be seen at Activity Log under "Software Library"). - Edit software library: allows editing of individual entries on your software library. - Clear shared icon cache: clear all shared cached icon data, used by Activity Log, Friends List and Notifications (this will also clear your Activity Log title list). - Update shared icon cache: iterates through all entries and replaces outdated ones. - Restore shared icon cache: restores the previous shared icon cache in case something goes wrong while updating it. - Clear HOME Menu icon cache: clears the icon cache used by HOME Menu, then reboots the console so HOME Menu can create it again. - Update HOME Menu icon cache: iterates through all entries and replaces outdated ones. - Restore HOME Menu icon cache: restores the previous HOME Menu icon cache in case something goes wrong while updating it. - Software gift unwrapper: unwraps all software on HOME Menu. Suggestion of @Clydefrosch - Demo Play Count Reset: resets play count of all installed demos. Suggestion of @DavidRO99 - Folder Count Reset: resets HOME Menu's folder count so that the next folder created is "1". (Only works if you run Cthulhu from Test Menu). - Replace/remove custom eShop music: self explanatory. - Clear Game Notes: deletes all your game notes at once. - Change accepted EULA version: useful for allowing out-of-region online play (when set to FF.FF). - Toggle HOME/Test menu: changes which menu the 3DS will boot on startup (Test Menu needs UNITINFO patch AND having test menu installed for it to work). Future Features: - Misc. features seen on dev unit software. (Suggestions are also welcomed) Download: - Github (3DSX and CIA) - TitleDB (CIA only. Download from FBI or Homebr3w) Source: - Github Obs.: Because HOME Menu doesn't allow accessing its icon cache while it's running, Cthulhu runs on extended memory mode.