If you want the full version and license for commercial use,
you can purchase here :

https://fontkong.com/product/wamatto/

File Font Version : 

1. Wamatto.otf
2. Wamatto.ttf
3. Wamatto.woff
4. Wamatto Rough.otf
5. Wamatto Rough.ttf
6. Wamatto Rough.woff