Efetuei a compra mais não recebi o e-mail de ativação nem palavra chave, no meu e-mail porém estou sem conseguir usar o App. Preciso de ajuda
If you have purchased through the Google Play Store then it is Google that you have purchased from and you do not receive a licence key.
Instead of a key your purchase is linked to your Google account and the licence is active whenever you are signed in to that account.
See: Find your purchases, reservations & subscriptions - Android - Google Account Help
Also: Cancel, pause or change a subscription on Google Play - Android - Google Play Help