Need to update, edit, delete google sheet record

Dear all
I wish to make an app using MIT app inventor with google sheet and Apps script. Through this app, i want to update, edit, add and delete google sheet record. Google sheet just contain two head as name and age.
please any one help me.


It is always good to search the community before asking any question.

More specifically,

This ?

Google Sheet CRUDQ II



OK. Thank you.

Excellent. Thank you sir.