avclub-e0b4ba18bddcc8f73e0736f3a15f2f05--disqus
pink freud
avclub-e0b4ba18bddcc8f73e0736f3a15f2f05--disqus

There are versions of Android with a built in drinking mode, you tell the phone you're going out drinking and it locks it from making calls unless you can complete a math problem (I think you can specify the difficulty and a set of specific contacts to block access from).