In the phone you will find menus where you can navigate by clicking on the wrench icon or three horizontal bars where you simply click to open a menu.
Android has been deployed on so many different manufacturer’s phones that it has now been unique for each phone to function differently and have a different interface on the screen.
Jelly bean,marshmallow,lollipop,kitkat and other updates have been improving and making android a user friendly phone and a nicer device.
The process of falling in love with an operating system involves a certain number of steps. Some phones have touch wiz inbuilt in them.That’s a different operating system built by a phone manufacturer apart from Android .