Bump

Bump by Bump Technologies, Inc is a freeware aiding to swap contact information and photos between two phones.

Bump makes sharing photos, contacts, and apps with people as simple as bumping your phones together. No typing, no searching a list for the right person.

How to use Bump :
1) Open Bump on both phones
2) While holding the phones gently bump your hands together
3) Confirm the exchange

Compatible with iPhone too.
You can download at: http://apk.cuaban.net/detail/6842/ Bump .html