Ahem! Moving on...
I just got my first 2 sets of Xenox today, the Mechabots and the Rixx. I don't collect Gormiti, but my son does so I have a bunch in the house for comparison. I have to say generally I like the Xenox better. I think both the individual sculpts as well as the entire theme for the four 'tribes' is better than Gormiti. Don't get me wrong, I think some Gormiti figures are fairly well done, like the Mushroom guy or the Cactus guy from the Forest tribe. But overall Gormiti has never impressed me, the sculpts seem...pretty unimpressive, maybe even a little childish.
Xenox on the other hand seems a little more suited to my tastes with it's more 'sci-fi' theme, with my personal favorites being the Rixx. I'm not sure if I like the smaller size though (compared to Gormiti). I knew they were smaller but I was a little surprised at how small they really are. Very good sculpting and paint job for the size though.
The games you can play with the figures are ok. I'm not too taken with them, but then again I'm not a little kid. My son seems to enjoy the rock-paper-scissors game, though you don't need these toys to play that
Overall, I say they are well done toys, and I would recommend picking up sets if you are a fan of anything like Gormiti.