Open the Google Play Store app
Tap your profile icon
Tap Payments & subscriptions
Tap Redeem code
Enter the code from your Google Play card
Tap Redeem
Confirm the balance has been added to your Google Play account
Open the Google Play Store app
Tap your profile icon
Tap Payments & subscriptions
Tap Redeem code
Enter the code from your Google Play card
Tap Redeem
Confirm the balance has been added to your Google Play account