As you've discovered, NOBODY is paying you big money just to play games or watch videos. Feel free to play those games if you find them fun (some people do) but do not play them expecting to ever get paid. That way, Google becomes aware of them and can work on removing them from the Play Store.

Get free coins every day, every 2 hours, and every time you level up. You can get even more coins by completing daily quests and by playing with friends. And Like us on Facebook for free coin bonuses at facebook/MysticSlots. Download the Mystic Slots app now!

Navigate to the Inspector panel, and you'll see a diamond icon next to each parameter. Click on it, and you've added a keyframe. You can then drag the playhead on the timeline to another desired time point, change the corresponding parameters, and DaVinci Resolve will automatically add a second keyframe for you.