Why Sony Has Never Pursued Another Handheld Console Like the PSP or PS Vita

How Sony tried (and failed) to beat Nintendo at handheld gaming

Review of the Month; PSP and PSVita – Aaltomies

Why Sony Has Never Pursued Another Handheld Console…..

Sony handheld gaming consoles timeline – from PocketStation to

Sony Is Sadly Finished With Making New Handheld Systems

Sony Rumored to Be Working on New Handheld Gaming Device - CNET

RIP PS Vita: Sony officially ends production - Polygon

10 PS One Classics Games Worth Buying On Your PSP (While You Still

Why PlayStation's Stint With Handhelds Paled in Comparison to the DS

The hidden Sony PSP 5G clue that hints at a Nintendo Switch Pro

The PlayStation Vita at 10: Revisiting Sony's noble failure

Sony Doesn't See Much Potential in Portable Platforms

Is Sony thinking of bringing back the PSP or PS Vita?

Sony No Longer Focusing On Handheld Consoles

PSP2 Leak? Nope, It's The Upcoming GPD Win 4