Android App's Dashboard Redesign

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This customer received 9 app designs from 4 designers. They chose this app design from Rafael Marcon as the winning design.
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App Design Brief
We are redesigning our existing Android app (http://www.ovuview.com) to use Android's new Material Design guidelines (read more here: http://www.google.com/design/).
We would like to see new designs of the app's main screen (see ovuview_dashboard.png) from you.
The new dashboard screen design should:
A. follow Android's new Material Design guidelines
B. contain an actionbar at the top (with an icon for hints and a "hamburger menu icon" on the left)
C. contain 4 buttons to the app's other screens: 1. Edit today's symptoms, 2. Calendar view, 3. Timeline view, 4. Chart view. (Please, do not put the buttons into tabs, as we want to avoid putting tabs on other screens too)
D. keep the basic concept of the cycle wheel (circle/donut representing the days of cycle; distinguish passed/upcoming days of cycle; show current cycle day; show menses days/fertile days/ovulation day)
E. contain iconic or textual predictions of the number of days to the next menses/ovulation
F. be easily themable to different colors (as the app supports more color themes)
To get a better idea about the app in general and the dashboard/cycle wheel in particular, please install the app and read Cycle Wheel Guides. This will help you understand the functional requirements.
Industry/Entity Type
Wheel
Colors
Designer to choose colors to be used in the design.