Google's already indicated that tablets and smartphones won't be sharing the same Android build until Ice Cream Sandwich
in Q4, though interestingly enough, it turns out that the tablet-friendly Honeycomb actually has Gingerbread's interface quietly tucked underneath. According to modder Graffix0214
, all you need for making the jump is one simple tweak in a system file: assuming you already have root access, use your preferred method -- Pocketables
recommends the LCDDensity for Root
app -- to change the LCD density value to 170 or higher to emulate a smaller, denser display.