The Starbucks® Cambodia app is a convenient way to pay in store. Rewards are built right in, so you’ll collect Stars and start earning free drinks and food with every purchase.. Pay in store Leave your wallet where it is. Pay and earn Rewards throughout our App. Rewards Track your Stars and redeem Rewards like a free drink in your birthday month. Inbox messages Discover what’s new at Starbucks. Manage cards Check your Starbucks Card balance, view past purchases and transfer balances between cards. Find a store See stores near you, get directions, hours and view store details before you make the trip. Simply sign in with a registered email address and password for existing Starbucks® Rewards members or join the rewards program by signing up with a Starbucks Card. The Starbucks® Cambodia mobile app is compatible with Android 6.0 version or above.