Docker as an open platform for building, shipping and running distributed applications is gaining a lot of momentum. Especially a part building can be very interesting for Android developers. By dealing with various IDEs, build systems, build tools, libraries, Android APIs and so on, Docker can be a quite handy helper in a developer's toolbox. Also closing of parse.com has given a new meaning to a Docker's running part too. We will have a short look what Docker is, will show some use cases related to Android development and share experiences from our daily developer's life.