Android Central Live: Mobile payments with Tarvo Topolev from Fortumo

There may be five billion people with mobile phones in the world, but most of them don't have a credit card. Systems and software than can help users turn cash into digital goods are sorely needed. That means things like carrier billing, which turns out to be a great way for developers to make some revenue. Fortumo is at the Samsung Developers Conference and we had a chance to talk to them about it all.

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