Or if I have a parent who can easily get lost in a big city and who needs my help.
Or my friend who is lost in a foreign country.
This is why you need this application.
Only following steps you need to do:
step1: install the application on the child/parent/friend's phone.
step2: open the app, enable location settings from the app if not enabled yet.
step3: Add the numbers that you allow this app to reply to, such as your numbers.
step4: send her/she a message with content"@whereru" from your own phone.
You will get the address in URL format, and then you can open it from map app.