Check your model here http/www.mhltech.org/devices.aspx and see if your phone supports MHL, if it does you can use an MHL HDMI cable (assuming this projector has HDMI) If not you would need to use a Chromecast on the projector and use that with the phone to show the video.
Check your model here http/www.mhltech.org/devices.aspx and see if your phone supports MHL, if it does you can use an MHL HDMI cable (assuming this projector has HDMI) If not you would need to use a Chromecast on the projector and use that with the phone to show the video.