Turning on Parental Controls in Google Play is extremely easy. Open the Google Play application from your device's app menu or find its shortcut, if you have it enabled. On the Home screen, tap on the icon with the three vertical lines in the top left hand corner.
Drop down Google Play’s menuIn the menu displayed, tap on Settings.
Scroll down to the User controls section and tap on the Parental controls line.
Press the Parental Controls optionThis option is disabled by default. Tap on the slider next to the Parental controls are off line.
Slide the switch to the rightYou will be asked to enter a four-digit PIN that will let you change the parental control settings. Choose one and tap on Ok.
Create your PIN codeConfirm the PIN again.
Confirm your PIN numberYou can now set content restrictions depending on the application type.
Choose which content to blockApplications and games are based on a PEGI age rating.
Block options for apps and gamesFilms can be monitored according to the age range they are aimed at or if they are an X-film.
Block options for moviesAlso, you can restrict the music if it is marked as explicit by the content providers.
Block options for musicDisabling Parental Controls in Google Play can also be done by tapping on the Parental Controls On slider again. This feature is very useful if a child uses the Android device. This way, you can be sure that nothing will be downloaded if it is not age-appropriate. However, please note that this tool does not work with the apps you previously had installed on your device but only new ones you install after.