Change up / pad& tablet pc stylus pen

http://youtu.be/66z2XXdrFMU

Whenpeople use smartphone Stylus, They are able to choose color and many type of sketch tools such as brush, pencil, marker pen and so on in application. Even it offers variety choices to the users, we can not say that it is intuitive and emotional. The reason is that it is just software system in application. They are using only one shape of pen tip for the lots of function of sketch tools.Through 'Change up', hardware + software, the user can experience the real emotional usability.
In application, There are many brushes and pentips which are available in various situation.