Okay i have a question. I have been designing watch faces for a while now and i would like to learn how to make themes but is there a way you can use the galaxy theme maker to learn on? I’m really good at graphics but i don’t want to apply for anything until i learn the program and how to make themes first.
The tool is only available to you when you have been approved. It’s very easy to use and although getting all text color combinations to be visible is important, the graphics are the core. I guess I’m trying to say that learning to use the tool first would be putting the cart before the horse 
Use the templates to create designs and apply, it’s the only way.