By default the phone comes with Sprint's OneClick user interface. That's the one with the carosel along the bottom. You can change this theme to a standard LG theme built into the phone which many users say is cleaner and faster. Here's how:
The shortcuts (which cannot be changed) for the LG theme are:
Note the "Shortcuts" in the OneClick interface is a truncated version of "Favorites".
OneClick allows up to 5 favorites. LG Theme allows for 12 favorites.
If you switch back and forth, only 1-5 appear inside OneClick.