[carolosf]

This brings back memories. I used to write software for these things before iOS and Android took over.

https://fantasticbytes.com/products/launchmanager

I even wrote a disassembler for them

http://blog.carolos.za.net/2007/03/charmed-disassembler-beta...

[NetMageSCW]

I did as well (scw.us still has a page) but I called them Pocket PCs back then.