Kamasutra

Kamasutra, despite what its name suggests, is not a whole book with dozens of daring sex positions. Instead, it's a small compilation of 25 different positions that include an illustration and a short description of their positive and negative sides.

On the main menu you can see a comprehensive list of all the poses. You just have to tap any of their names to access the information, where you can find an illustration and its description.

Kamasutra is not even close to being the best app of this type that you can find on Android, but it's still good. Its 25 positions can fall short of your expectations, but the fact that it describes advantages and disadvantages for each one makes it worth a look.