Google play store is one of the best app in android mobile.because this app provide all apps, you just go play store and search which app you need and then download the app.now all latest android mobile provide this app.
Concept: 4.5/5 : - concept is very good, just type the name of app and search.
Layout and design: 4.7/5 : - this app layout is good and design good, play store is provide your android installed app update for more easy to handle.
Feature/functions: 4.8/5 : - this app feature and function is very good.function is provide you update your apps.best feature is you just type app name and install instantly.
Usefulness: 4.8/5 : - play store is very usefull for android mobile.
Thanks for view my review.