Zoom
Place two fingers about an inch apart on the screen. Slide them together to “Zoom out“.
Slide your fingers apart to “Zoom in“.
Rotate
Place two fingers about an inch apart on the screen. Rotate them in clockwise or
Rearrange Home Screen
From All Apps screen to Home screen: Tap All Apps button 
open All Apps screen, press & hold an icon or widget and slowly to drag it to the location of your choice. This makes it much easier to change your Home screen layout.
Move apps or widgets: Press & hold an icon or widget, slowly to drag it to the screen edge, the screen will switch.
Delete apps or widgets: Press & hold an icon or widget, when the Remove icon 
appears at the top of the screen, drag the icon or widget into it.
Press & hold the wallpaper on your Home screen, choose your wallpaper from Gallery, Live Wallpapers or Wallpapers.
Organize Your Apps With Folders
Make a new folder on your Home screen: Press & hold an icon, slowly to drag it on top of another app.
Rename folder: Tap the folder, then tap the name of folder, enter a new name.
Gmail Email
Unnamed Folder
Press & hold an icon, slowly to drag it into / out of a folder.
Manage Downloads
To manage most downloads, tap the Downloads icon 
on the All Apps screen.
Google Play streams your purchases and rentals from Google servers while you’re playing them. They don’t occupy any permanent storage space. However, you can pin (download) books, movies, and other content in order to access it offline.
In addition to downloading content from Google Play, you can download files from Gmail messages or a variety of other sources. Use the Downloads app to view, reopen, or delete what you’ve downloaded in this way.
Some mobile networks restrict the size of the files you can download, to manage the demands on their networks or to help you avoid unexpected charges. When you try to download an
Basics
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