This week (Oct 16-23) in emulation: RetroArch fixes input issues on PSVita/PSTV, PS2 port of RetroArch is in development, Switch Overclocking for better emulator performance, PS4 FW 5.05 gets a NES emulator,
Sony Charging Money For PS2 Games Emulation On PS4 Makes Sense – Developer
Has Sony Already Given the PS4 a PS2 Emulator? | eTeknix
AetherSX2 PS2 Emulator GLOBAL | Can I play on Aether with my Bluetooth controller | Facebook
Somehow, a PS2 game emulator is available on the Xbox Store - Xfire
How to play Playstation 2 Games on your Mac (emulation the PS2)