Router Apps
Download the app for your router to your smart phone. You can then manage your router (e.g., firmware updates, parental controls, etc.) from your mobile device.
ASUS Routers
https://www.asus.com/asus-router-app/
Cisco-Linksys Routers
https://www.linksys.com/us/smart_wifi_center/
D-Link Routers
http://us.dlink.com/home-solutions/mobile-apps/
Netgear Routers
https://www.netgear.com/home/apps-services/nighthawk-app/default.aspx