Full system wipe

The end result should run without any bugs or malfunctions on Google pixel (4, 4a, 5g, 4 xl ,5) devices running the operating system GrapheneOS 11 and up. The APP must work from the Owner profile and multiple work profiles. Main features of the app Timer that the user sets HHHH-MM-SS the purpose of the timer is when it gets down to 0000-00-00 the device should activate a full system wipe. Timer should not stop if the device is powered off or runs out of battery, it should sync itself with the system clock and deduct the time it was turned off. In case the timer runs out of time when powered off it should add +3 min to give the user a chance to prevent a full wipe. This should only happen once during a cycle of setting time--power of--time end--power on +3min--power of--end time--power on--full wipe. Panic code that the user sets within the app (6digit). The user enters the panic code from the lockscreen, if the user enters the CORRECT code the system should initiate a full system wipe. Buy more time button, if the user hits the button (widget) the timer resets itself to the previous set time and automatically starts to count down again. Visible active timer on the homescreen and lockscreen. Notification with sound and/or vibration (Users choice) when 1h remains of the timer, 30min, 2min with an constant alarm until full wipe initiates or the user hits the buy more time button (widget) toggle to activate/deactivate timer Clean and simple graphical UI User manual Easy to understand instructions within the app on how to use the APP APK must delete itself after install The App should not interfere with the Locker app (app that lets the user choose a number of tries to unlock the device before system wipe. The code must be clean without any malicious code or backdoors The code will be audited by an independent auditor before full payment, all expenses for the audit will be paid in full by the customer (me) All code belongs to the customer (me) and are not allowed to be published or made available to anyone except the buyer (me).