Simply a WIDGET for see how much space is avaiable on SD.
A little icon on your desktop shaped like an SD shows you the % of free space in your SD card.
When you click the widget you can open SD-memory and Internal-memory stats.
P.S.: the % in the widget is rounded.
!! IMPORTANT: this APP is old, in new smartphones doesn't work well, try it.
It works only for internal single SD card. You can ADD the WIDGET from the widget section in your app drawer.
Obviously it works if you have an SD :|
Text-color changing and a fix in the widget dimension.
For change color click the widget and press menu, then click "Change style". Restart the widget or wait the refresh (30 mins) to see the text-color changed in the widget.