cheer up for completing a task or %

It would be great if there is something which gives you a good felling, like crossing of a to do on a real piece of paper does. A sound is a good idea. An other idea would be to make like a cheering (some glittet pieces falling over the screen) by completing like 80% of all the tasks. Just an idea ☺️ the app is great and helps me a lot right now 💪 thanks