Hi Massargo, I'm looking for a way for users to buy stuff through my mobile application. For example If user is shopping for a phone through my application the

Hi Massargo, I'm looking for a way for users to buy stuff through my mobile application. For example If user is shopping for a phone through my application then I want to accept the payment within the mobile application via paypal or any other payment gateways. Squareup is a card reader which is not what i'm looking for. Thanks,