You invoke it with a key press that doesn't infer with other shortcut keys, like Win+Q.
It display a small window at the location you want. You type a few letters of a command shortcut. It autocompletes it. Hit Return, the application is launched.
Ranked in these QuestionsQuestion Ranking
Pro Can handle multiple tasks
It doesn't only run apps with the config you want, it also can execute many commands, automate tasks and run batches to execute more tasks.
Pro Can be used portable for a USB drive or cloud share
Pro Can be set to be invisible
For those that do not like the looks of the app it can be set to be invisible so users do not have to look at it.
Pro Option to pass an argument via $W$ parameter
Example: Set the filename or URL to execute to a web browser app, and enter this link in the Parameters text box.
When the magic word is executed, a "Dynamic input" dialog is displayed. The text entered in that dialog is passed to $W$.
Pro Use eyedropper to associate magic word with running windows app
Pro Use @multi@ to execute multiple magic words and/or multiple apps, open folders, etc.
Pro Create magic words that launch apps, open folders, open web pages
Con Sometimes Bayden SlickRun seems to be off-line
Con Manually have to set up what applications it will be able to launch
It only supports the applications you add (those you use really frequently) with the shortcut of your choice.