One of you is hiding something.
The other has twelve questions to find out.
A murder mystery for two players and one phone. You sit next to each other and play it through in one sitting.
One of you plays the detective, questioning the suspects out loud and following whatever doesn't add up. The other has something to protect and has to answer for it. At the end the detective names a killer and the fact that proves it — and the result is graded on how well the case was made, not just on whether the guess landed.
It's played by talking rather than tapping: you speak your questions, and the suspects answer aloud.
It's in beta now. If you and someone you'd play it with want in, leave an address and I'll send you an invite.