- Click the Stickers button to show all the stickers - Choose a sticker by clicking one of them then it will follow your mouse - When you click on the sticker you can turn it by pressing the left and right arrow you can also change the size by pressing the up and down arrow - If you don't like the sticker you picked you can press d to delete it - You can use the same sticker several times - The last sticker you used will be on the front layer
Thanks to @slender1258 for the music