Your tama will trun into teen when it's 1 to 2 years old. it will trun into a adult about 3 to 4 years old... mine trun into a mimitchi when it's 3. to see your tama's age, press the A then u can see a meter bar. click the B than u can see a new screen... keep clicking A 2 time and u can see ur tama's age!
It takes twice as long with Uratama toddlers to evolve into teens, compared to Connections/Connexions. So it is a toddler for 2 days, rather thean the usual 1 day.