Does this app exist on the app store?
There is an app called "Apple TV" you can install and the you can get "Smart TV"
Does this invention exist and if so what do you call it?
I don't know of anything like that but it would be cool if there was!! :-)
Travel by train, does this still exist?
The long-distance Amtrak trains offer dining and sleeping cars. However, the sleeping cars are often booked almost a year in advance, especially on the routes to and from the West Coast.
Does this no.56764902 exist of TATA PHONE?
You need to provide more information on what your question is.
Does this type of ice cream sandwich exist?
Yes it does try goign to 7-11 or some other type of convenience store I see them there all the time