Using any Tongue cleaner is fine but it should not be harsh cleaning , toothbrush breshels can also be used for it. Tongue cleaning is as important as tooth cleaning. It's an essential part for maintaining a healthy oral hygiene.
In your case
1.Tongue is healthy just require regular cleaning.
2.Scaling will help to improve overall oral health.
Next Steps
Brushing twice daily with right brushing technique and tongue cleaning on a regular basis will help in maintaining good oral health .
Health Tips
1.Rinse after every meal.
2.Pratice night brushing on daily basis.