When using a not completely modern smartphone, the keyboard is very small, it can happen that (look and happen) Your System "Adler" the wrong key is caught. Very annoying! This event is a little larger keyboard largely prevented by using the stylus even with modern equipment. But if one has a little stronger finger, the stylus is very useful, since it is not covered by its shape the desired key. The additional function as pens is useful, it is necessary to have no additional write device with him.
