Which encrypted chat software is easy to use abroad?

There are many abroad, do you need them? Turn over? The wall, if it is made in China, is it? Okay？ Lucky? Great, you don't have to worry about being discovered when you use it, and you can pretend to memorize words quickly? Soft? Pieces,? Chat Don't panic in case of emergency, flip the phone to change the word interface. Want to join? Secret? Code conversion? Chat Heaven and earth, suitable for the privacy of two people? Chat God? Soft? ◆ Data transmission is multi-encrypted. Besides words, you can use a calculator or a news shell instead, right? Secret? No one can access the password? What about you? what's up Chat sky