This application is an End to End Encryption (E2EE) system to send encrypted SMS betwen two or more users. Messages are encrypted on the device before being send and then are decrypted only when they arrive at destination. Any intermediate entity (like providers and servers) will not be able to see the clear message since it is encrypted at origin in you android device before it can be transmitted to the network. This application help you sending secret messages that cannot be decrypted by any one (imagine you are being intercept by any investigator). The security of encryption is based on AES with 256 bit key encryption. Even if you loose you phone or someone theft it, will not be able to decrypt the messages store on the phone. Note: the cost of message depends on your operator. Message are not send using internet connection.