it says it only supports some the controller? so should i just use the keybord or try contoller?

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Today other store released HD version of the game The all new X-Blades HD version features updated graphics and wide-screen compatibility, as well as newly rendered and post processed cutscenes in Full HD. Supports HD and UHD screen resolutions and wide screen formats Improved visual effects and enhanced HDR Newly rendered and post processed cutscenes in 1080p (1920x1080 px) An absorbing fantasy story with 40 spectacular landscapes More than 25 types of magic in different classes Learn to play easily ...

 

GOG version comes with HD from the package, but we're supposed to buy it? Is it even worth it?