Prototyping an Android app is an excellent exercise to try new things and improve them. It is also useful for the developers team to learn a better way to creat a product. Wiebe Elsinga will be in Droidcon Spain talking about it.
He has a long experience in software development but is mainly focused on the development of mobile applications, and is continuously seeking quality improvements within the development process of mobile applications.
Also a invited speaker at industry conferences.