Screen of mobile phone is always smaller than the usual pictures to be show. It brings very bad use experience with hopeless paning and zooming. iPhone introduces multi-touch to make life easier. Our BigPic3D technology further improves it by utilizing 3D perspective for paning.

The follow images show a paning process by clicking the right plane, then upper plane, then left plane.

Start point:

Go to the right plane:

Go to the upper plane:

Go to the left plane:

This technology has been used on many YBoom products, e.g. Offline Maps of Tokyo,Beijing,Taipei,etc. You can recognize by seeing this logo: