The best replacement for vita is vitae.

The best alternatives to vita are rated as following:
★★★★★  vitae
★★★  3ds
★★★  resume
★★★  3ds xl
★★  vita slim
★★  psp
★★  ps3
★★  wii u
★  ds
★  vita 2000
★  nintendo 3ds
★  3ds sales
★  psp 3000
★  3ds specs
★  shield
★  curriculum vitae
  2ds
  3ds graphics
  ipod touch
  zico
  3ds 2013

Your alternative for vita is not listed? Suggest!
Speaking about vita, one probably shouldn't forget about ps4.

Other search terms related to vita and their ratings are:
★★★★★ ps4
★★★ ps4 controller
★★★ ps3 controller
You have in mind a companion for vita and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of vita in all years. Click on graph for more.
vita
vitae
3ds