Looks interesting! From the website, it is difficult to say how this software is different to existing solutions like for example rocketcake. I guess it is more

Looks interesting! From the website, it is difficult to say how this software is different to existing solutions like for example rocketcake. I guess it is more useful for creating HTML ads? Also, what if google decides to shut this down suddenly someday? Will it be easy to switch a project to a different software then?