Retro Notebook App Promo Animation

I’d like a short, fun-to-watch promo that feels as if it was ripped straight from a 90s school notebook—think doodles in the margins, comic-book panels, diary stickers—yet still looks modern and fresh (no cringe throwbacks)... (Budget: £20 - £250 GBP, Jobs: 2D Animation, Adobe Animate, Adobe Illustrator, Animation, Caricature & Cartoons, Graphic Design, Illustration, Video Editing)