I am going to show you how to change typing style in andoid phone using this amazing app.
You can type styles you want like these:
A๓αzïทg

ⓐⓜⓐⓩⓘⓝⓖ
And so more to do that just download this keyboard from my drive; click here.
After download install it and if you open the app follow the instranction.
And to do like that write whatever and drag button below shift and drop it to transform and choose your favorite style.
Enjoy