There are many tools available that allow individuals to operate their own live video streaming event using a smartphone or tablet along with an appropriate app. These apps are very easy to use, and often come at no cost. Here are several that we're familiar with:
The best tool to use just depends on your needs, your knowledge, and how you want your audience to participate. You may also want to consider a video recording (not live) which can then be uploaded to a service like Facebook or YouTube. Additional info about Meet and Zoom can be found in our Video Conferencing Tools category.