Glad you figured it out There is some helpful information if you tap Info in the bottom bar, regarding navigation and other useful things. @lewie is the iOS app developer.
I'm not accurate or perfect either! Remember what Aran tells us - mistakes are how we learn. I have to remind myself of that when I start to get frustrated because I can be a perfectionist myself I remember him saying somewhere that even a first language speaker would not get a lesson 100% correct.