Q1. Option2: Reason: Offer to show him how to use the App because the more knowledge he has the better. If this does not work I will suggest on something else if that could help. I would ensue that he understands what he is doing.

Q2. Option3: Reason: To discuss it with the medical team, gather all necessary information. Then, he can make an informed decision following from medical advice.

Q3. Option1: Reason: The more information he can access to the better for him. If he gets more information about his condition chances are that he will notice changes if it occurs and he will know when he needs medical attention.