If you're looking for anime similar to Anime TV de Hakken! Tamagotchi, you might like these titles.
Set before the events of Sweets Dance Princess, it focuses about My Melody's summer camping in Mary Land and how her friendship with Kuromi is becoming better, despite the upsetting experiences and misunderstandings she had during camp.
Under the lead of the witch Majoline, Holly (born out of a chocolate bar) learns how to be a "holly ghost"—a sort-of-fearmongering monster. His friends include Toreppaa (born out of a roll of toilet paper), Candy (born out of... well, candy) and Piiton (born out of a green pepper).