The best replacement for psp is ds.

The best alternatives to psp are rated as following:
★★★★★  ds
★★★  nintendo ds
★★★  psp go
★★  dsi
★★  ds lite
★★  ps vita
★★  ipod
★★  ps2
★★  ipod touch
★★  3ds
★★  psp slim
★  vita
★  ps3
★  nintendo
★  xbox
★  xbox 360
★  wii
★  dsi xl
★  ds sales
  nintendo 3ds
  nintendo ds lite
  nds
  3ds xl
  ps vita graphics
  psp 3000
  nintendo dsi
  nppl
  gcw zero
  gameboy
  psp vita
  itouch
  ps2 specs
  3ds graphics
  psp 2000
  ps1
  slim
  xperia play
  ipod video
  games list
  3ds which is better

Your alternative for psp is not listed? Suggest!
Speaking about psp, one probably shouldn't forget about ps3.

Other search terms related to psp and their ratings are:
★★★★★ ps3
★★★ wifi
★★★ umd
★★★ internet
★★★ memory stick
★ pandora
★ pc
★ skype
★ pandora battery
★ mobile phone
★ battery
usb cable
gta
pandorea battery
You have in mind a companion for psp and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of psp in all years. Click on graph for more.
psp
ds
nintendo ds