You need someone to write your descriptions as well.
A list of robot bits is a terrible terrible advertisement!
People aren't going to buy your video game because of "variety of robot bits"
Moreover, most of the people who say they buy because of "variety of robot bits" would've bought the game anyway.
You need a written out teaser.
You've got text next to pictures, at most a robotic description of a videogame that could still be anything. As well, you don't advertise any sort of humanity for the main character, like a splash or a human head.
https://youtu.be/cByCh6u3VTw?t=5m19sEveryone gives me the quite sorry excuse "It's about a robot" THAT is a writer speaking, not someone monetarily successful speaking. Do you want to make your videogame popular and successful, or make it a piece of whimpy looser garbage?
They'll come for the man, and stay for the 'robot'
I'm sure you could get a random goof to write a better teaser! Now see, raw descriptions are terrible at selling a videogame. What you want is to touch upon /show the reason people buy videogames, without ever saying it. Make them feel something, and hint at what is to come.
Find someone, and 'sell' your videogame in person. I guarantee that a list of features will be the last thing you mention.