SPECIAL ANNOUNCEMENT: we have released theVRkit, a spherical capture solution. Get it now on the PlayStore.

Since your camera can shoot a Panorama, why bothering with this app?
Because it completes the whole turn, works with front camera for panoramic selfies, shows the result with an incredibly nice 3d viewer, allows your friends and followers to see the same 3d result even without having the app, makes better pictures even in low-light, exports the 360 Panorama as a looping video, lets you experiment Virtual Reality with Google Carboard...