讨论 Is there a big guy who can make a calorie app for mi band 7

[Humaid]

I was trying to make an app as a beginner . I searched on Google for zepp os docs and found out some samples of calories app I thought it would be cool for mi band 7 to have so i tried my best but it failed so can any big guy can make calorie app for mi band 7

 

[FlvLujU]

I´m trying