billing

Hello, I tried to run the example for the in-app purchased shown here but pressing the button "Remove Ads" only opens a blank panel. Has Google changed something in the meantime or am I missing something?

Finally, I released my long working Accounting application. It is fully working & lifetime free with no restrictions. myDailyAcc is Accounting application for daily routine of any accounting system including: - Sales - Purchases - Accounts Management - Inventory - Customers management -...