You can change your hero's skin by first tapping the hero menu on the bottom part of the screen. Then, tap on Inspect and you will be able to browse your available heroes (middle part of the screen) as well as their skins (bottom part).
You can change your hero's skin by first tapping the hero menu on the bottom part of the screen. Then, tap on Inspect and you will be able to browse your available heroes (middle part of the screen) as well as their skins (bottom part).