Other upgrades include a rechargeable battery (the original Dreamcast VMU was notorious for going through CR2032 coin cell ...

Educational electronic games in the form of handheld electronic calculators ... 90911 Handheld Electronic Calculator National Museum of American History Casio Memory A-1 Handheld Electronic Calculator ...

BitMods has released the VMU Pro, a Dreamcast memory card with enhanced storage, battery life, and integrated 8-bit emulators ...

Today, however, we've got a retro game ... handheld device. It features a custom case along with four buttons that are used ...

[Sunyecz22] decided that Farkle would make an excellent electronic game and got to ... but some people want a little more tactility in their handheld games. We say bring on the toggle switches.

The abstract reads in part: “A hand-held electronic game machine for use with attachable/detachable memory game packs wherein the game machine includes a case of a size which may be held by a ...