First we need to outline the genre, mood, and target audience of your game.
Some reference images would be very helpful, you can always send me the links to any you've seen online.
After that I will create some sketches for proof of concept. Aiming for three rough sketches and a colour palette (not coloured) with 24 hours. After your feed back I will complete the animations in the following two days.
I have a video in my portfolio, "Frog Bimbles" that uses symbols and tweening, like most game animations.
I look forward to hearing from you.