This mod was made by RusJJ. Original library (that is inside of this mod) is by Alexander Blade.
Discord server: https://discord.gg/2MY7W39kBg

Website of Alexander Blade:
http://www.dev-c.com/

Android version source code:
https://github.com/AndroidModLoader/GTA_CLEOMod

What is CLEO?
CLEO is a mod that allows us to use scripts written in a game's scripting language "GTA3Script".
Anyway, you may know these scripts as "CLEO-scripts" that have a file extension CS (or CSI and CSA for mobile).