You can play many PS2 games without a DualShock by sticking to 2D genres (fighters, platformers, RPGs, music games) or games where analog sensitivity isn't crucial, like LEGO titles, Crash Twinsanity, Contra games, KOF XI, and even some racing/action games by using a D-pad or remapping controls.
The ever-privileged ETA PRIME gets an exclusive first look at the Ayaneo Pocket VERT Android handheld, and impressions point toward an ambitious Snapdragon 8 Gen 1-powered handheld in a familiar Game Boy-like form factor.