Do the real multitasking in Android.
Mini Apps is a pack of 23 useful apps that open as small windows hovering or floating over any other app.

- Minimize apps to a floating bubble (Tap the circle on title bar) or to the notification area (Long press circle on title bar).
- Maximize to use it like any other app (Double tap the title bar).
- Adjust inactive window transparency in Settings so that they don't hide the content below.
- Open multiple windows of a mini app. (PRO)
- Access apps instantly with a customizable notification launcher! (PRO)

Apps in Free version:

• Calculator
• Notes
• Dialer
• Contacts
• Volume Manager
• File Manager
• Stopwatch
• Flashlight


Apps in PRO version:

• Paint
• Music Player
• Browser
• Camera
• Recorder
• Calendar
• Video Player
• Gallery
• App Launcher
• System Information
• Facebook
• Google Maps
• GMail
• Twitter
• YouTube

Buy PRO version and get 15 more apps, get rid of ads, open multiple windows and access apps via notification launcher!
https://play.google.com/store/apps/details?id=com.ashk.miniapps