Multi Window was downloaded and set up by over 100K users and its most recent stable release was on Feb 17, 2016. This application shows ads. The app is very popular among Samsung and Micromax users.
Take the opportunity to get the .apk setup package of Multi Window 2.0 free of charge and have a look at users' reviews on Droid Informer. The installer takes up 3 MB of disk space and it can be launched on Android devices 3.0 and higher.
In users’ view, the plus of the app is tons of features, though some people indicate that the weak point of this application is too many ads.