McScanner read most of the bar code formats, including QRCode, its use is super easy, you don't have to press a button to capture it, the application detects it and automatically read.
McScanner is the most light, the most fast and it's FREE
PLEASE, DOWNLOAD MCSCANNER FOR BLACKBERRY STORM 2 9550 DIRECTLY FROM YOUR MOBILE DEVICE BY SCANNING BARCODE OR WE WILL SEND YOU LINK TO YOUR MOBILE EMAIL