https://github.com/pofesk0/lastcodeduresskeyboard/compare/v5.6...v5.7/

This is keyboard to prepare for emergency situations. When finally configured, it can erase data (reset the phone settings) when you enter a special code. Reset code works only on the lock screen. It help if in the future someone tries to force you to enter a password. In that case, you enter the reset code instead password and press the Enter arrow. You set your reset code in advance. This is much more reliable than app's that use accessibility features to find the code, because accessibility features are sometimes disabled by the system for third-party applications, even after you turned them on manually. License This is free and unencumbered software released into the public domain. Anyone is free to copy, modify, publish, use, compile, sell, or distribute this software, either in source code form or as a compiled binary, for any purpose, commercial or non-commercial, and by any means.