BASIC! Super User is a companion app to the BASIC! Compiler available at:
https://play.google.com/store/apps/details?id=com.rfo.compiler

It allows to prepare BASIC! flavors (OliBasic, hbasic) for use with the Compiler app.

Just import one of the 3 zip of BASIC! flavors source code (Android Project), or download any other, and import its zip.

Then in the BASIC! Compiler, use the option panel (top left gear icon in the main screen) to activate the Super User option.

Finally, in the App icon / name / version screen, use the drop-down menu to select a flavor for compilation.