You're gonna need a computer to make a quest, friend. Also, you'll need a private server to test your quest.
Here's a link on steps to make your own and you'll have to learn how to port forward, so look into that.
https://www.pioneer2.net/community/threads/tethealla-server-setup-instructions.1/
As someone who is also trying to learn on how to make a quest, I wish you good luck.