Illustrations for the programme

Good afternoon!

I created a mobile app for Android phones.
This application helps to learn a large number of words.
The program constantly dictates words and because of this you remember them.
The main feature of the program is that you can learn it on the way:
1) while you walk with headphones, you listen to the words
2) while riding a bicycle with headphones, you learn words
3) when you are driving in a car wearing headphones (or speakers) you are learning words.
4) while you are riding the bus with headphones, you are learning words

The title of the program is “Listen on the Way.”

I need three illustrations to present the program in the Google store:
1) the person is wearing headphones (or walking widely) - at the same time is the main icon of the application.
(2) a person is riding a bicycle with headphones
(3) a person is driving in a car wearing headphones
4) a person is travelling on a bus with headphones
The size of the illustrations is 512 * 512 pixels.

It would be nice if the first and second case was a man and the third case was a woman.

I think you need to focus on headphones, so the headphones should be either disproportionately large or bright in color.

It is desirable to have a predominance of blue (clothing I think is blue).
I would like to see more color (not so bright).
I attached a screenshot of the program as a sample of shades of blue.