The possibility of an Android system is to use multiple applications at the same time (multitasking). However, this use is limited to only one  visible window.

The possibility of an Android system is to use multiple applications at the same time (multitasking). However, this use is limited to only one  visible window.
A Finnish company has developed an application that displays Ixonos applications in scalable windows, much like Windows.
This application should be compatible with Android 3.0. For the moment we have no information on price and release date.