Palo Alto based barcode payment POS provider Mobeam has raised $6.2m of Series B funding, led by yet2Ventures. Mobeam touts an impressive 300 million Samsung users and has been used for almost 30 million POS transactions via Mobeam's Beep N'Go app. The startup plans to use the latest round of funding to expand its offerings to include comprehensive production, roll-out, and support.