POIU is a free Android game collection developed by nTeko that allows you to play with friends. It is a perfect game for those looking to have fun with their friends online. The app has a collection of games that can be played with multiple players. One person can create a room, and others can join in by scanning the QR code through the "Find Room" option.

The app also has a "Friends" feature that allows you to become online friends with those you played with at least once. You can send and receive messages to each other. However, single player records of some games are not stored to prevent cheating. So, an internet connection is required to play the game.

The ranking is reset once a week, but you can view past ranking information on the website or in the game. The Social Level increases as you play with more friends. The app requires camera permission to enter the room through the QR code.

Overall, POIU is an excellent app for those who want to enjoy multiplayer games with their friends online.