I would like to say a few words, as they come to mind, since no one has yet done so (and this surprises me quite a bit), to highlight that this Hack is truly exceptional and remarkable.
Right from the start you can see the care in the overall execution, the love for small details, the professionalism of the track construction, the alternation of track types and the color combination: all things that make it a real jewel, in my opinion much better than the attempts made previously to improve and enrich the original game.
Since those who have preceded me has done nothing but complain, I emphasize that I have tried it for a few hours on DS lite and DSI XL through r4GoldPro (YSMenu) and it works perfectly. And I remember in passing that this is the NDS (not 3DS) section.
So far I have completed the first four tournaments and they were all very entertaining and very satisfactory: looking forward to the addition of future, new tracks for what promises to be the most complete, rich, massive and definitive racing game for DS.
Highly recommended to all, without a shadow of a doubt.
Period.
P.S. Only Dokan course (I think it is perhaps a beta track) seems a little banal and poor in detail, even boring to run, and should be retouched and perhaps lengthened.
I would suggest adding some more power-ups, to make the challenge more frantic, and aesthetically a colorful texture of the sky would not be bad.
As for the Colour circuit, the track itself is well designed and built, and also the use of "pastel" colors is an original idea; but why to use so few colors (maybe 4 or 5) on a track whose salient feature should be, as the name says, the Colour?