Skype has released version 2.5 of its application for Android, which allows Android-based tablets such as the Samsung Galaxy Tab 10.1 and Motorola Xoom to use its video calling feature, it said in a blog post on Wednesday.The two tablets are among 14 Android-based devices that now can make video calls; other additions include Motorola Droid 3, LG Optimus Black and Acer Iconia.