I have developed many Camera / PICTURE enabled BlackBerry apps that let you take picture and can then add watermark / timestamp etc or then either share it straightaway over community websites ( like Facebook etc ) or send it as an MMS , email etc.I have developed many web enabled Smart phone apps that can post or retrieve photos , files etc to / from a website. I have done application for XML , JSON , WSDL , SOAP based requests.I have done many applications that needed advanced knowledge of networking , Telephony , GPS , SMS etc