Used Sketchup Basic for Android?
Developer’s Description
By GTK Group
This is a Tutorial Of Sketchup basics
This is just like e-books , but in a new style
SketchUp (formerly Google Sketchup) is a 3D modeling computer program for a wide range of drawing applications such as architectural, interior design, landscape architecture, civil and mechanical engineering, film, and video game design and available in a freeware version, SketchUp Make, and a paid version with additional functionality, SketchUp Pro.