There are two ways to check to see if application updates are available for your Device. One way is directly on your Smartphone and the other way is via iTunes or Android Market on your computer's desktop. To check for application updates on your iPhone or iPod Touch, click on the blue 1 "App Store" icon located on your home screen of your iPhone or iPod Touch. Then click on the 2 "Updates" button at the bottom right of the App Store.  To check for application updates on your Android device Open the  Google Play Store app, touch the menu options, selec my apps, and apps with available updates are labeled “update”. Select individual apps to update or touch Update all to download all available updates.