A free app for Android, by Sebastian Kemper.

This app helps you to design, plan and create your 3D floor plan quickly and easily.

It provides you with many options for the creation of a floor plan. You can import a drawing or use the templates provided. You can use various elements from the built-in furniture library for your design. You can add or remove walls, doors, and windows. You can change the style of the 3D model.

If you are an architect, a designer, a contractor, a manager, or an employee of a building company, the app can also help you with your interior design.