Please ensure the following:
If you don't have a WiFi router then you can use WiFi Hotspot to connect. Enable WiFi hotspot in your phone or tablet and connect your PC to the WiFi hotspot of your android device. Now you can enter the IP address and connect.
Note: Some Android devices don't have WiFi hotspot facility. In this case if your laptop has a WiFi hotspot facility then you can turn it on and connect your Android device to it.
To get IP address, go to Tools menu->Settings->Speech Recognition from Braina on PC. From the "Speech Option" drop-down select "Use Braina for Android".
You can tap on the Left and Right click buttons in the app to perform a left or right click on your PC. You may also tap on the mouse touchpad area in the app to perform a left click on PC.
You can adjust the mouse sensitivity (mouse cursor speed) through the Settings menu in the Android app. Moving the slider towards right increases sensitivity while moving it towards left decreases sensitivity.
You can hold the Left click button using one finger and move other finger on the mouse touchpad to perform a drag. You may then release your finger from the left click button to drop the icon, window or any object.
You can perform two fingers slide up/down to make PC middle mouse button scroll. This scroll gesture functionality may not work in some programs. In this case, you may drag the scroll bar in the PC using the drag and drop method shown above.
Tap on the keyboard button in the app which is present between the left click and right click button. This will open the Android virtual keyboard. Now press any mobile phone's key and PC will do the same thing.
Tap on the "Keyboard/Mic" option in the menu of Android app. This will change the keyboard icon into microphone. Now tap the microphone button and speak. Your voice will be converted into text which will be typed on the PC.
Tap on the "Switch to Voice Command Mode" option in the menu of Android app. Now tap on the microphone button and when it turns red, say "shutdown pc".
Tap on the "Switch to Voice Command Mode" option in the menu of Android app. Now tap on the microphone button and when it turns red, say "play song". A random song will start playing on your PC. To play a specific song use the following command syntax: Play Hips don't lie , Play Enrique Iglesias etc.
Android app doesn't have a pro version right now but there is a pro version for Braina (PC app). You may check the additional features which the pro version offers here: Braina Lite vs Braina Pro