Android application design for shared calendar app

Want to win a job like this?
This customer received 59 app designs from 3 designers. They chose this app design from JP4Designwork as the winning design.
Join for free Find Design Jobs- Guaranteed
App Design Brief
I need an Android app design for shared calendar, It should have a business look&feel,flat material design. Main part of UI are big clock-like wheels which represent free time and busy time. Busy is red ,free is green. App should have business look & feel but it should be still usable for non business users.
app can be seen here,please try it before starting design
https://play.google.com/store/apps/details?id=com.whenabouts&hl=en
here is a video: https://youtu.be/czW7tj3QW0M
Target Market(s)
busy business professionals
Industry/Entity Type
Business
Font styles to use
Look and feel
Each slider illustrates characteristics of the customer's brand and the style your logo design should communicate.
Elegant
Bold
Playful
Serious
Traditional
Modern
Personable
Professional
Feminine
Masculine
Colorful
Conservative
Economical
Upmarket
Requirements
Must have
- 1) project must have big clock-like circles in which free time is marked in green, busy time in red. so those colors must be green and red but you can use which shades.
- 2) project must have one 16:9 ratio image which has text : click here to load picture which describes your event. and under that text several pictures - business meeting, phone call,some people playing sports,some people in pub. I have attached how it currently look - don't use it, thats just a example :)
- 3) must have default placeholder for user image. I also attached how it currently looks
- 4) buttons and dialogs must be rounded - see how it looks in the app
- 5) events must have semi transparent overlay - see how it looks in the app. font for location and event name can be changed
- 6) App must use eurofurencebold regular for title in action bar., that can't be changed. App must use existing logo (green overlapping clocks)
Nice to have
- a loading page with progress bar should have some interesting picture (city for example)