Wi-Fi broadcasting feature enables you to share your 3G connection with everyone nearby using Wi-Fi signal.
Here's how to turn 3G into Wi-Fi on Philips V787:
Step 1: Go to 'Settings' and select 'Add'.

Select 'Add'.
Step 2: Choose 'USB internet & mobile hotspot'.

Choose 'USB internet & mobile hotspot'.
Step 3: Choose and enable 'Wi-Fi hotspot'.

Choose and activate 'Wi-Fi hotspot'.
Step 4: Select 'Set up Wi-Fi hotspot' to change the Wi-Fi name and password, then save the changes.

Select 'Set up Wi-Fi hotspot' to change the Wi-Fi name and password, then save the changes.
So now we've successfully shared 3G as Wi-Fi on Philips V787. Wishing you all success.
