There are many and many ways and softwares which is used to control ur Computer from ur Mobile, but here I will just talk on two methods:
1):-
Vectir:
This is software used to control Computer from your mobile having
JAR /
JAD /
SIS software, often Nokia Mobiles have JAR/JAD/SIS software.
This software will work on Bluetooth technology
You just have to download Vectir from
HERE
After downloading just install (if SIS based software, if JAD/JAR /SIS just copy and paste) the small software in ur mobile which is included in ur downloaded file.
And also install software in ur PC.
Now Just connect ur mobile to ur PC via bluetooth.
You are Done
Now ur PC screen is in ur Mobile.
You can change slides of PowerPoint presentation and lot more.
2):-
Wow This is much and more amazing then Vectir
How?
Lets See!
Splashtop works not on Bluetooth technology but it requires Internet connection to control PC from ur Mobile
Download Splashtop from
HERE
In step1 download app for ur phone and in step2 download software for PC.
Once you download it, just enter ur Google Account (Gmail ID) in ur app and in PC
After that you are Done
Now no matter you are where, you can control ur PC from anywhere in world. but the only thing is there must have Internet connection in ur Mobile and PC
NOTE:
Vectir not work in Andriod and similarly
Splashtop not works in JAR, JAD , SIS based software.
And
Vectir works on Bluetooth (Wireless Techmology) and
Splashtop works on Internet Connection (Telnet Technology)
If you are interested to run Vectir through Andriod you can do it but you must follow
THESE steps