Samsung galaxy s2

There are several advantages of this HP than its competitors like Atrix or Optimus 2X

Super AMOLED screen plus, the screen is certainly very great.
16/32 GB of expandable memory, 1 GB of RAM (same thing as Atrix)
Bluetooth Ver 3:00 HS +, Which mean super fast file transfer
8MP Camera, plus record HD video in 1080 fp (Bionic and Optimus 2x also 8MP, but Bionic does not able to record 1080 fp