Primary research forWaste classification utilization knowledge popularization platform

From the clinic perspective and time , should I both include waste classification game and user quiz competition or just one of these functions

What aspect of knowledge and content should I cover in my product to educate students knowledge about waste classification

I should focus more on the interest of my App or the richness and professionalism of my Information and guidance provided

I should focus more on the interest of my App or the richness and professionalism of my Information and guidance provided

What background color should I match and set?

What main function and sub functions should my app contain.