Hi there,

Thank you for contacting us.

Yes, This theme is mobile-friendly, and perfect responsive for any device.

Thank you

Hi there,

Thank you for contacting us.

Yes, You can use it for the subdomain. but a single license is for a single website. So you have to buy a license for every end website.

For a better understanding, see this article: https://themeforest.net/licenses/standard

Thank you

Thank you