Yes
If Sims Social is compatible on 3D then yes.
sims 3
Yes, my Mom has one and I had to put it into the phone for her.
No. The Lg 840g does not run the Android OS, which is required to install apps from Google Play.
No, you cannot.
yes
google play
yes
Not on it but it can play youtube videos.
Yes you can watch you tube videos with LG Chocolate Touch
It does not, but it is available on Google Play. Future LG devices will come with BBM pre installed.