As we know there's always a need to use a mobile device and the limited capabilities. The interactions will happened by using the finger, cannot use Tooltip or mouse hover and very limited space.
A good way is to use it for KPIs which would be some metrics and some periodic display of numbers.
Here is an interesting approach using gradient background images for the mobile dashboards to create a 3d impression and make the design more appealing for the final user. (Hyperlink)
Each mobile screen represent a different approach of navigation:
one is by clicking the menu by extending it and closing the others;
one is using hexagons as menu with underlying information display;
on the top there is a switch button in the case there are 2 slices of data or analysis;
This dashboard is fully functional and can be downloaded and used as inspiration.