Like the previous versions, Android has also included many built-in apps in the Marshmallow 6.0.x version. These can be used at any time without downloading them from the Google Play Store. Some of these apps are part of the Android operating system but others are provided by the Android for the smooth functioning of the Android otherwise you would need them to download from others sources.
You don’t need to download them from store but just drag them from the app drawer and use them. Just see the instructions.
Instructions
1: Just tap the icon of the ‘App Drawer’, placed at the bottom center of the Home screen of your Android 6.0.x Marshmallow smartphone and devices. This ‘App Drawer’ is placed at this place by default. This will open up the ‘App Drawer’.
2: At the ‘App Drawer’, see the treasure of built-in apps is available which can be dragged to the Home screen of your Android 6.0.x smartphone to use them or can be used right from the ‘App Drawer’.
That’s all!