Tapping on an object or another Sim would open a small radial menu of actions, a staple of the Sims series, adapted for smaller, less precise resistive touch screens.
Sims do almost nothing on their own; you must micromanage every second of their day. No Building Mode: the sims 3 java touch screen
The developers had to pack a massive PC game into a few megabytes of data. They did an amazing job keeping the core spirit of the franchise. Tapping on an object or another Sim would