Lumen
Custom stack-based scripting language, compiler, and bytecode VM.
...It's designed to be simple enough to pick up quickly while still exposing the real mechanics behind how programming languages work making it as much a learning tool as a usable scripting language. It's also available on Android.
Install on Arch Linux:
yay -S lumen-lang-git
Online playground:
https://lumen.olehsheremeta.com/playground
Docs:
https://lumen.olehsheremeta.com/
Android version GitHub:
https://github.com/spikest3r/LumenRuntimeAndroid