Nice application @kimsungmin that you hunted! Keep it up. Anyway, please see my personal review on your hunt.

Pros :

• It has been recognized as a good security application and appliance on your network. Helps you do easy troubleshooting your network whether it would be on your office or at home.
• Aside from its protection features it can also improve network performance where it has the capacity to check your internet speed and immediately diagnose problems.
• It has also some built-in controls where parents can set some limitation to internet access through some scheduling. This would help keep track your families activities and to limit your children's internet access especially if they need to study and control their internet usage.
• It has also some features that can help check for security threats whether it is a malware, virus or any malicious attack. You have also the capacity to check open ports and have them closed so your network is 100% secured from attackers
• This application is available on both Google Play and App Store
• It received many awards : CES Innovation Awards 2018, Cool Vendor 2018 and many others

Cons :

• Purchasing this application is necessary to be able to use it.Price is $129.00 which i think is affordable with the features that it can offer.