A paid feature in an Android app can be a subscription, an extra capability, digital content, or cloud software access. If users can buy that digital good or service inside an app distributed on Google Play, Google’s Payments policy generally requires Google Play’s billing system for the purchase unless a specific policy allowance applies. The part that trips up product teams is often not the checkout screen. It is deciding what each SKU sells, where the customer can use it, and whether a region...