I've searched about
In the grand scheme in Google but couldn't find a good answer. This context is part of an article which is about wearable smart watches. And I don't know how translate
In the grand scheme part in following context:
There is no shortage of wearable gear out there, and really what I’m writing about here is the latest crop of smartwatches, most of which run on Android Wear. In the grand scheme, I know it is but a portion of what many of us may use, be it Jawbone’s UP, or Fitbit, or Samsung’s Tizen powered Galaxy Gear, and for me, it really comes down to a single issue.