My selection criteria are quite standard. There is enough information on the Internet about the criteria for choosing ICO. The main ones
1. Uniqueness, necessity of idea
2.Clear target
3.Scalability
4.Transparency, properly allocated budget
5.Concept
6.Team
7.Distribution of tokens
By these criteria I chose the project which I joined, Vreo.io They are doing dynamic in-game advertising and going to create marketplace for developers and advertisers. It will secured by blockchain technology. Developers of small games can attract investments and create high-quality products, for advertisers this project will be useful due to the expansion of advertising opportunities and selected target audience, and gamers will be able to receive quality products cheaper, besides they also receive income from the ads they watched, without interrupting the gameplay.  Here is their link at bitcointalk https://bitcointalk.org/index.php?topic=2886707
Another important criterion, I would add the active life of the project. I had the opportunity to compare projects and dynamic projects almost always came to success