(Their Alumni organisation (http://www.cde-ev.de/) is actually open for everybody, and I can only recommend joining. https://mind-hochschul-netzwerk.de/ is also worth a look.)
Drop me a line (email in profile), if you want to learn more. I grew up in Germany, but ended up all over the world, currently I'm in Singapore.
But actually, even ignoring that, I don't see how giving kids free electronics is so exciting. Public school is heading towards obsolescence, and arbitrarily handing out gadgets to students demonstrates a profound misunderstanding of technological advancement and its role in education.
This isn't any better than the state of California trying to patch its failure by handing out free iPads, although I guess it's more practical, given the poverty rate and extreme wealth disparity in India.