After posting a video of the classic video game running on the tester over the weekend, he released a video of him actually playing Doom on the tester, using a wireless keyboard. 

OK, it is not exactly crisp graphics because the pregnancy test has a 128x32 pixel monochrome display but it does work.

Foone did cheat - he replaced the pregnancy tester's CPU and LCD making it more powerful. He also didn’t say what his missus said when she got the results back.