I've got the following handheld, I would gladly send them for decapping and/or dumping if someone is interested. * Mini Classics : Donkey Kong Jr. (I don't remember the year of release but the case has a copyright notice with the year 1998) * Mini Classics : Spiderman (2005) * Tuttuki Bako (A weird japanese handheld from Bandai released in 2008)
Hap sent me Donkey Kong Jr Mini and Super Mario World Mini, but I haven't done anything with them yet. I'll put DKJR on the list to de-glob and see if it has a microprocessor that we can do something with.
DKJR Mini has a Holtek HTGT43G0. I need to clean it up some more, but it looks like an MCU. A quick search didn't turn up anything.