When you upload your application apk in the Play store, you will be asked the age group you are targeting. False information leads to termination of the account. Before developing an application, you must do some research work to have the application upload to the play store. You must know who you are targeting and how you are going to reach those audiences. Yes, Age restriction does matter in play store ranking. Moreover, you have to know why and how does it matter. There are restrictions of law which prohibit under age children to watch and play different subjects of life. Indeed to have the societal culture in tact, these restrictions play a crucial role.