As its name shows, this is a simple CHM file reader I developed in 2009. It is no longer under maintenance. To get better support and faster speed of opening files, please consider purchasing its pro version named HYReader(0.99$ only and works on large screens).
Allows the application to access the phone features of the device. An application with this permission can determine the phone number and serial number of this phone, whether a call is active, the number that call is connected to, ect.