How do you differ scam projects? Recently, for every second project, someone writes a "scam". At the same time, a bunch of popular projects like Savedroid collect millions and disappear.
There are a lot of criteria by which you can check scam projects. These are economic factors, the team, code, and more. If you are new to this, you can hardly figure it out right away.
So you can choose the project, analyze it, and then compare with reports of famous experts.
But there are no guarantees that the report was not made for money. So you should look at reports from different experts and compare their opinions and yours. You can have a table where you will virtually invest in projects and then watch roi. In the future, with success, you can start a real investment.