How do I change my units of measurement (weight, distance, etc)?
In the "More" tab, click on "Settings" and then on "Units of measurement". You will be able to change the unit of measurement of your choice.
How do I change my profile ?
In the "More" tab, click on "Settings" and then on "Modify your profile" at the top. You can then change your entire profile (surname, first name, date of birth, objective, etc.).
How do I change my goal ?
In the "Home" tab, click on the "You" bubble. Then, in "My information", select the square "Goal" and choose a new one.