Android Tutorial Important note about B4XPages projects

I know it is simple info for experts, but it is critical point for who want to start using B4XPages projects:- B4XPages project is for cross-platform development, that is mean when created; all templates of B4A,B4i & B4j are created, BUT the main entry module for all is one, it is B4XMainPage module, so when you coding inside it, this will affect all three apps B4A+B4i+B4j.
So don't forget this info: B4XMainPage is single file used by all B4a+B4i+B4j projects.