Multi-Window. (gtansu.tansug.fragmentsample) on Google Play
You can open a multi-window by selecting such as browser map calculator and video playback from the menu.It is scheduled to go to increase the things that can be opened in any time window in the future.(Note, such as video player)Size and position can also be freely changed.At any size to favorite position!Two side by side or the use way next to the browser yourself soon !!