That is a Google platform that introduced the udacity learn about the Google Android language that lecture and interaction is very good they are very use of friendly interface as well also I like the way that teaching us and their also providing the links and the tutorials in that platform to go through and learn more and more and also they have more capabilities you can chat with the your teacher whose taught you right
Apart from that it is very reliable platform for learning the things and it is own by the Google so that is more that makes me more reliable for that and there introduce more courses time to time so we can upgrade our skills and knowledge on time bases what’s going on in the industry as well so I would like to recommend every one if you are want to learn some related to Google or Android please go for it and you got a certification for that also so once you got a certificate that to helpful for the build your care in information security