Improving App navigation

no hamburger
From 1 Hamburger menu to 4 Tabs
Material design rules
Which is the most important action for users? This action will become the Floating Action Button, always visible for the user.
Recognizable icons
Finding the perfect icons...

Guerilla user testing
Taking the icons to the streets: 
"Which icon describes 'your progres/statistics the best?"
final result
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