VPS (Virtual Private Server) - check info on wiki

Yes, you can connect to VPS via any RDP clients.

Linux OS - http://www.freerdp.com/
Mac OS - http://cord.sourceforge.net
Android OS - https://play.google.com/store/apps/details?id=com.microsoft.rdc.android&hl
IOS (Iphone, Ipad)-   https://itunes.apple.com/en/app/udalennyj-rabocij-stol-majkrosoft/id714464092?mt=8

No, our policy is NOT allow use our VPS for hosting sites, game server, vpn and other. We allow hosted only Forex and CFD platform like MT4, MT5, Ninja Trader, Quick, Jforex. 

CPU Dedicated - its mean that cores of CPU is allocated to only for one client

CPU Shared - its mean that all resources of CPU (all cores) is allocated beetween all clients.

You can use as many terminals how can allow RAM of your VPS.

Now we have 3 locations: Germany (Eu, all tariff plans), USA (NY, all tarifs plan), Netherlands (EU, only SSD)