The handheld PC market is still small. Nobody else in the digital space has taken it seriously yet.
If you look at iOS, you’ll see what I’m talking about. It’s effectively two products, a piece of hardware and a digital store. To beat it, you have to beat both the hardware and the store at the same time. It took the entire mobile hardware industry forming an alliance with one of the largest software companies in the world to even try to compete with it.
The other dev/wife did QA and part of the mapping. It’s a bit hard to finish a game without your programmer/designer.