MultiWindow (Multitasking) is the perfect app for you!!!
You can use this app to open multiple tools simultaneously.
MultiWindow is composed by the settings menu, the sidebar and the floating tools. To access the tools bar do a swipe gesture to the right.
The windows can be modified in various ways:
* they can be resized;
* they can moved anywhere on the screen;
* they can be used in fullscreen mode;
* they can be minimized into the notification bar;
NoW HoW To iNStAlL??
*just install as an normal apk
GoOgLe PlAyStOrE link: