It could be a very good solution for a nomadic lifestyle. Digital art comes indeed with a learning curve. If you want to do something with a phone or a tablet i can recommend corel paint. It is not free but I am very happy with it. All you see on my blog is made with it. Another thing to take in consideration is having electronics that measures the pressure you give. I have not a lot of knowledge about that but i have felt the difference.

Ps I am grateful you like my work