You can join our Discord server, there's a big section that teaches you how to use MiniScript
Viewing post in Do we must use mini script?
1. MiniScript has a neo-virftual computer, which also works like a game engine, perfect for making small games for Micro Jam
2. Using Makecode Arcade is also fine, because Micro Jam has no game engine restrictions. It's just that if participants use MiniScript, they are qualified to get a chance to win a $30 USD bonus prize