If you have an iPod Touch 3 rd generation or an iPhone 3G, you will be able to receive only video. Supported iOS devices include: iPhone (3G, 3GS, and 4), iPod Touch (3 rd and 4 th generations), and iPad (1 and 2). For a full list of supported devices, go to Skype for Android’s Android Market page (click the “More” button in the Overview section to reveal the list). Supported Android devices include: Samsung’s Nexus S, Galaxy S, Droid Charge, Tab 7 HTC’s Desire, Incredible S, Evo 4G, ThunderBolt, Flyer Sony Ericsson’s Xperia PLAY LG’s Revolution and Optimus Black and Motorola’s Droid 3, Atrix, Xoom, and Photon. You can find the Skype iOS app in the App Store, while the Skype Android app is in the Android Market. Skype is a free app for both Android and iOS devices. Still, Skype is an excellent tool for making free or cheap phone calls-not only can you call from one Skype account to another for free, but you can make domestic and international calls at extremely low rates using your device’s data plan or Wi-Fi connection. While the Android version of Skype does support video calling, it’s not available on all devices. Skype is the quintessential video and voice chatting app-and you can use it on both Android and iOS.