Idle Birds City is a free simulation game created by Red Band Games for Android. In this game, you are tasked with taking care of a hospital and nests for baby birds until they are ready to go to school. Your goal is to develop the Flying School and teach as many birds as possible how to fly so they can move to the city center and help you develop Birds City.

The game is easy to understand, and the graphics are bright and colorful. You start with a small hospital and a few nests, but as you progress, you can expand and build more nests, schools, and other buildings. There are dozens of bird species to discover, which adds to the excitement of the game.

Overall, Idle Birds City is an enjoyable game for anyone who likes simulation games. It's easy to play, and you can spend hours building and developing your Birds City. However, the game can become repetitive after a while, and there are a lot of ads, which can be annoying.