Use the Mobile Buy SDK to integrate Shopify checkout into your mobile application. This will enable you to sell any of your physical products through the app and track sales info in your Shopify admin.
Connect your app with the Shopify platform and let your users buy your products using their credit card.
The PayPal iOS SDK and PayPal Android SDK provide native libraries for simple payment processing,...
Chinese buyers can enjoy overseas online shopping though the mobile phone.
Scan credit cards in your mobile app