Yes you will need a phone line unless you have the new 360 Slim which has Wi-Fi.
Yes! The only way you can play is with a Broadband connection.
no but u need an internet connection if you want to use xbox live(ps3 is cheaper in the long run no need to pay for online game play or to buy a wireless adapter for wireless internet)
No you need cable or DSL
no you cannot you need a phone cable or wireless connecter and internet
No as they are 2 different systems you would need Minecraft Pocket Edition for the windows phone. There has also been no plans to do a cross-play due to the impracticalities of going from a console to a phone.
You do not need Live to play horde.
No, you just need a phone with an internet connection and a touch screen.
the RC-XD is usable in Local mode without Xbox Live you just need to get 3 killstreaks but if you want to play online you need Xbox Live and you need to buy the killstreak
any kind of phone that has Internet.
No, you do not need xbox live you only need the points to play minecraft (1600-$20)
You do NOT need Xbox live to play Halo Wars. Xbox live is only used if you want to play with other people and to update the game.
You will not need Xbox Live to play Grand Theft Auto Episodes For Liberty City if you have it on disc. You will only need Xbox Live if you wanted to download it off of the Xbox.