can anyone tell me how to get a free magnifying app for my samsung galaxy s,i have tried to install a few via the qr code but they are all saying they cannot be found..i tried getting a measuring app via qr code and it found that straight away...please help...

Never found a good magnifying app yet.
A workaround could be to take a photo with your phone and expand the photo with the oppsite of the pinch gesture on the screen