hBasic is a fork of
Rfo-Basic 01.91 (De Re Basic) for Android. (Paul Laughton).
aka: BASIC!

License Information BASIC! is distributed under the terms of the GNU GENERAL PUBLIC LICENSE. The license requires that the source code for "derivative works" be made available to anyone who asks. The author of BASIC! interprets this to mean that the license applies only to derivatives of the BASIC! source interpreter code. It does not apply to source code for BASIC! applications, i.e., code that you have written using the BASIC! language.