1、You can change the launcher on your Android
2、Control other devices with your infrared equipped phone
3、Your phone can identify songs
4、You can turn your Android into a games console
5、You can use your smartphone as a level
6、Use your Galaxy S4 to check temperature and humidity
7、You can give your phone visual voicemail
8、You can use the volume buttons to skip songs
9、You can get Nokia apps on any Windows Phone 8 handset
10、You can block numbers
Hope it can help you.

See More: 10 things you don't know your phone could do.