The portable PlayStations were Sony at its most ambitious - The Verge

The PS Vita and PSP were integral parts of PlayStation history, as Sony attempted to expand its console game business into the portable realm dominated by Nintendo.

PlayStation 4 - Wikipedia

Sony says goodbye to its PlayStation Portable

Sony Goes Official With Disc-Less PlayStation Portable

The cultural impact of the PSP and PSP vita by

Why Sony Has Never Pursued Another Handheld Console Like the PSP

The best portable game console you can buy - The Verge

Fails of 2022: the Nintendo Switch really showed its age : r

Asus ROG Ally handheld gaming PC is no April Fools' joke - The

PlayStation - The Verge

Playstation Vita: Most Up-to-Date Encyclopedia, News & Reviews

Will the new Sony handheld gaming device outdo PS Vita's legacy?

Designer Mocks Up Handheld Xbox Based on Microsoft Patents

Take-Two CEO Says Mid-Generation Upgrades Like Rumored PS5 Pro