OffCrypt

Developer at https://www.dev-offcode.com — creating secure apps and tools for Windows & Android.

Softwares:

OffCrypt - Android version
https://www.dev-offcode.com/index.html

OffCrypt - Desktop version
https://www.dev-offcode.com/OffCryptDesktop.html

Screen lock builder v2.0
https://www.dev-offcode.com/ScreenLockBuilder.html