Entama

Release: 2005
Language: Japanese
Battery: cr2032
# of characters: 42 basic + 14 special
# of games: 3
Connects with: entama, uratama, keitai, akai, plus, hanerutchi 1, tamasuku, dekatama, home deka, kakeibo, PC (defunct, passwords still work)
Extra: Growth is based on skill points ("GUT points") instead of care. Has cooking, school, and job features.