It seems like you are building stuff that interests you. That is great if it is a hobby. But if you want to make money you need to concentrate on solving real problems that other people have, rather than playing with cool technology. In fact I think there may be an inverse correlation between how ‘cool’ a product is and how likely it is to make money. I wrote a bit about that here:
The efficient market hypothesis states that "asset prices fully reflect all available information". If the efficient…successfulsoftware.net
Also, it is very hard to know what products will be successful, so there is a fair amount of luck involved.
(Context: Solo developer making a living off my own software products for the last 12 years)