Creative Challenge - Disruptive Digital Construction Business needs an Application Design

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This customer received 35 app designs from 7 designers. They chose this app design from Double d as the winning design.
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App Design Brief
We need an application design (4 screens).
The app will offer easy-to-use an interactive course to illustrate the latest technology to construction professionals. Kindly find the attachments.
Updates
I have just posted the contest and the deadline is tomorrow!! Please give me my original 7 days back.
Need extra days to review
Target Market(s)
Construction professionals, aged from 22 to 36, who want to learn new disruptive technologies in construction.
Colors
Colors selected by the customer to be used in the logo design:
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
- The name of the app, Dicotra, stands for “Digital Construction Transformers”. The user is a Dicotra, who would transform the digital construction industry. We want a design that gives that feel to the users.