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

Sony penetrated the portable gaming scene with the PlayStation Portable and PS Vita, but it failed to topple Nintendo

Sony's PlayStation Portal: Buy It or Skip It?

PS Vita Giveaway! : r/PSVita

Why Sony's Next PlayStation Handheld is a Mistake

Sony PSP rumors: did Sony just hint at a 5G PlayStation Portable?

Here's What A Modern PlayStation Portable Could Look Like, playstation portable

PlayStation Vita Review: Finally, Console-Level Gaming in a Handheld Device, psp vita

I'm 8 and just got a new PS3 from my uncle. Which game console should I get next, PS Vita, 3DS, or PS4? And in how long should I get them?

Sony reveals why it's not making a new PlayStation Vita

Here's What A Modern PlayStation Portable Could Look Like, playstation portable