The secret messages have been very crucial to Secret Agencies. But the most amazing fact is there are lots more ways to make it. Here is one of the important examples described with the code. Also here is the link for the app known as "Cryptech" to use. Just do certain processes to use it. You manually have to give permission to storage from the #Settings>Applications>Cryptech>Permissions>Storage>Allow. Enjoy it!.
There are two files one is GUI based and other is terminal based programm but both works fine.😀️😀️😀️