Great idea, poor app performance

Great idea behind the app. I was very excited when I got my training plan. However when I started to run , it appeared that the app does not pick up GPS signal, although Map My Run could perfectly track my location. I also changed miles to km, but every time I open the app, the settings are switched back to miles again. Disappointing

coloysgg46473 about MY ASICS Run Training, v2.4.7