Welcome to forum Jomonta,
Go to the website for RFODESIGNER https://sites.google.com/site/rfodesigner/
You do not need BASIC! installed on your phone to make a Basic! app.
The Basic! framework is included in RFODESIGNER.
An APK will be compiled to upload to your phone.
Examples is there to download.
Also a tutorial video which is a must.
Carefully read all the instructions.
RFODESIGNER will help you in minutes for your first app.