Hello, there.
We can create a custom adaptive icon for Android based on your sketch and logo, using vectorization and PNG delivery, and test the result using the provided testing tool.
We have years of experience in website design, graphic design and logo design (photoshop, illustrator), banner design, brochure design, 3d design(Blender, 3d-max, WebGL).
Please, review our experience here - https://www.freelancer.com/u/webbookstudio.
We will be glad to chat with You and discuss your task. Waiting for Your reply! Best regards.