Customization is one of Android's popular selling points, and going hand-in-hand with that is being able to set default apps for different actions. Whether you want to play a song, navigate somewhere, or send a text, you can set a go-to app for each of those tasks.
Upon setting a default app, a dialog box pops up informing you how to get rid of the app's status as a default, in case you want to change it. All you have to do is go into your Samsung Galaxy S4's Settings, Application manager, select the app, then tap the Clear defaults button. If you've used Android for a while, you probably... more