Atari released a rather excellent handheld called the Atari Lynx many moons ago and like most Atari consoles still gets some news and releases even now, heres the latest news, all links come from PDRoms and all thanks to them, an excellent homebrew news site:

Hanoi (Commercial) (Atari Lynx Game) (Atari Lynx)

Video Review: Weltenschlächter (Atari Lynx) (Atari Lynx)

Hanoi (Atari Lynx Game) (Atari Lynx)

Isegrim (WIP 3) (Atari Lynx Game) (Atari Lynx)

Lynxed (Atari Lynx Demo) (Atari Lynx)