1. Alcohol Level is an BAC (blood alcohol concentration) calculator, which calculates your alcohol level dynamically in drinking sessions of 7 hours. The user must only know when he had his first drink and for the next 7 hours he won't need to think about time. The app has a ranking system based on global number of drinks had and it also displays your current state (Pleasure, Regret, Sexually Impared etc..) based on current alcohol level.
2. "Where Did I Park The Car?" is an option in which you can find your last car position. If you take a cab home because you are drunk, the next day you won't have problems finding it.
3. Drinking Buddy also has a drinking game named Reaction Tester in which you can see how fast you react in different circumstances like sober/drunk/almost drunk/etc. Also, there is a group based game and many other games will be published in future updates.
4. The app has a ranking system and a detailed log of drinks you had.