I have been using WinKey (freeware) for month without any problem to create shortcut keys to let me quickly launch programs on my computer (e.g. Win + W to launch MS Word). However, the program functions are just very basic (can launch programs, folders, and file only) and is no longer under development. Recently I have [...]

The following website provides a test for your ears. I find it interesting. Give it a try.
http://www.phys.unsw.edu.au/~jw/hearing.html