WAP simulator is used to describe the software that allows the implementation of it is to be done on software directly.
It is used to implement the device on the software rather than the physical device like mobile phone, etc. 
It allows local WAP development of devices that can be used as SDKs and through which the WAP applications can be tested. 
Simulators are used to write the content online that directly connects to a given website using the HTTP.
WAP simulator is used to view the content written in WML format and it will be read by the web browsers as well.   _{Your Comment}