General speedrun tips and individual shop mechanics explained

https://docs.google.com/document/d/1xRwlW5Pz3radp1jBDyjja0oBDXSwNo_PZV78tGJ_hA4/edit?usp=sharing

Basic game guide by Dragonkyrie

https://gamefaqs.gamespot.com/ds/935062-tamagotchi-connection-corner-shop-2/faqs/67819