Making digital art during your free time is a very fun and interesting thing to do. Especially if you are deciding on pursuing an art or designing career in the future.
You may also get the chance to design the different backgrounds, characters, bosses, and screens that you go to in the game. There are no rules to making art, and you will be able to make whatever you want to make as long as you have something in mind that you want to make.
The only things that you will need are:
After you get all the things you need and persevere, you will be able to make anything that you want. And have drawings turn out exactly how you envisioned them.