Upcode™ is used successfully on about 700 phone models, including: Symbian, UIQ, windows mobile, Iphone, Blackberry, Android and Java. Upcode™ seems like a very conscientious company, and would like feedback how you enjoyed the Reader!
SnapMaze is a QR code reader which support certain models of Nokia, Sony Ericsson, Samsung, and Motorola. You may download a test version of the software by clicking here. Phone requirements : J2ME MIDP 2.0 , CLDC 1.1.