Oversec is a unique app for Android that adds secure text and image-encryption to any other Android app. Oversec is an overlay on top of other apps that transparently sends encrypted text, and shows decrypted text, in place.
<img src="https://f-droid.org/badge/get-it-on.png" alt="Get it on F-Droid" height="80"> <img src="https://play.google.com/intl/en_us/badges/images/generic/en-play-badge.png" alt="Get it on Google Play" height="80">
Teaser Video
<img src="http://img.youtube.com/vi/VHZ9dA5ELXE/0.jpg"
alt="Oversec Teaser" width="240" height="180" border="10" />