What is "delphi-xe7"
On September 2, 2014, Embarcadero released RAD Studio XE7, which included Delphi XE7 and C++ Builder.
It allows developers Delphi / Object Pascal and C++ to extend existing Windows applications and create applications that connect computers and mobile devices with gadgets, cloud services and enterprise data and Apis. In addition, it allows developers to extend Windows apps using Wifi and Bluetooth Tethering App and create shared user interface code on various device form factors, etc.