This script provides you an additional encryption layer on android by creating an encrypted container which you can put your files or, even android applications on it
~ $ ./cry.sh
USAGE: ./cry.sh [load|eject|enc_app|enc_extra|load_app] [pkg_name|pkg_name folder_path]
load: Mount the encrypted image to the android filesystem
eject: Unmount the encrypted image
enc_app <package>: Move an app to the encrypted image
enc_extra <package> <path>: Move an extra folder of app to the image
load_app <package: Mount all folders from encrypted image to android fs
Example: ./cry.sh load
./cry.sh enc_app org.telegram.messenger
Dont forget to configure the IMG_PATH and MNT_PATH in the script if you haven't already.