Thanks for the replies.
Yes, unfortunately I know decompilation and I know how what is the obfuscator in B4A.
I meant to say a few additional expedient, which is typically not part of a programming language, I know.
I would not get in trouble you, Erel, but you surely have protected B4A in some way. I also know that perfect proteciont does not exists, but which do you think is the best way to do it?