Credit Card Reader Square Swiper for iPhone Smartphone Tablet iOS Android New | eBay
China Hot Selling for Pos Credit Card Reader Android - Portable T1 Smart Android POS Terminal with Scanner – Minjie manufacturers and suppliers | Minjie
Stripe Credit Card Reader for Android – ChargeStripe
Optical Character Recognition (OCR) to read credit/debit card on Android using PayCards_Android and BINLIST API | by Muraino Yakubu | Medium