Broadlink Hub is a free Android app developed by Oleksandr Loushkin that allows users to remotely control their sockets and switches without the need for the internet or additional applications. The app supports various devices, including SP2, RM Mini/Pro, S1C, and A1. It also offers integration with MQTT and HTTP Bridge, as well as Tasker.

However, it is important to note that Broadlink Hub only works within the user's Wi-Fi network and all devices must have a configured firmware to work with China cloud. Additionally, the app is designed as a hub and not a replacement for the E-Control.

Overall, Broadlink Hub is a useful utility and tool for those who want to control their sockets and switches remotely using their Android device, and it provides a great deal of flexibility and features for users who want to customize their home automation setup.