I've made games on ARGS for some time. Is a shame it do not turn a popular software because it si a good game maker for it's porpose. Some time ago I've made a indepth tutorial on how to use, and Celulo made a help file that included my tutorial translated to english; here it is:
https://drive.google.com/open?id=1JhpCg3nAioYEU2xgeKb9NYyVI4Xw8PR
And since Bruno R. marcos (the author) web site got down about 2 years ago, I'vew backup ARGS on google Drive too (for sure itcan be considered abandonware at this point): https://drive.google.com/open?id=16RCgOdtYofpsnNQuGHH-z7RyHezdTwh3
Have Fun.