Vault is an all-in-one, advanced App Locker and Lockscreen app designed to protect your Android device from intruders. Now put passwords wherever you want to. Use Vault Lockscreen as a replacement for your devices stock lockscreen to benefit from Vaults advanced locking and security features. Now put passwords wherever you want to and dont let anyone ruin your privacy.
MaxExplorer is the file manager with more functionality, and more secure that is available for Android. MaxExplorerallows you to browse your SD card, view files, encrypt files, decrypt files, create directories, rename, copy, move, and delete files. It also acts as an extension to other applications to save, view and encrypt files.
Free edition of the application Secure SMS on this store to Payment.Secure SMS free application allows you to connect two smartphones, as long as both have the application installed, on a private SMS channel and exchange messages without that they can be read by other people and in more detail allows you to send and receive messages in a completely protected way against eavesdropping.