I'm not a master of Alt 1 by any stretch, but it definitely helps me when screenshotting my achievements or for clues. Here is a basic guide to using it for Clue Solving.
runeapps.org/alt1
Scroll down to Download Alt1
Once downloaded and open, this should come up in your RS screen at the top.
These are all the options. Click clue solver.
This opens. Have the clue open on your screen and click unlock any.
It will show you the answers, clue dependant.
Please feel free to add to this guide. E.G, list of clues it does work with and what ones it wont.