To increase the size, use these keys. Closed eye face: right arrow. Angry face: down arrow. Happy face: up arrow. Blonde hair: left arrow. Purple hair: a. Red hair: b. Bow: c. Sunglasses: d Hat: e. To put it back to the regular size, press the green flag. You cannot decrease the size. Take a screenshot to put it as a profile pic.
Please do not change the code if you look inside. Thank you! Let me know if something is wrong in the comments.