Apple Pay for android tips app will tell you a lot about Apple Pay.

Apple Pay is a system for storing credit and debit cards in Apple Wallet that can be used via NFC, in apps, or on the web. Any iPhone, iPad, Apple Watch, or Mac can use Apple Pay in certain situations. Tap to Pay on iPhone also adds the ability for payment processors to work with NFC taps, no external device required when using Apple Pay.
● Contactless payment available at most major retailers
● Second-factor authentication increases security
● Information is stored in Secure Enclave fully encrypted
● Card information is never shared with merchant
● Card numbers are tokenized with every purchase
● Can be disabled via Apple's "Find My" feature in event that device is lost
FEATURES & COMPATIBILITY

+ Fully compatible with Apple iPhone Passbook
+ Best Android Passbook Wallet pass app
+ Automatic Pass Updates & Notifications
+ Embedded QR Scanner & Built-in Browser
+ Barcode Support (QR, PDF417, Aztec, Code128)
+ iBeacon Support (Built-in iBeacon Scanner at the background)
+ Install Referer Option
+ Works with .pkpass Apple iPhone Wallet's Passbook format
+ Good alternative Android Wallet App for Apple iPhone Passbook App
+ NFC is not supported
+ Not an alternative to Apple Pay on the iPhone
Just get our guide app for apple pay and have fun with your friends.