You would use a synchronous poll when you want to control when participants move to the next question. You would use asynchronous when you want to allow participants to take the poll independently.
To redirect your participants to a specific website, simply enter the HTML link in the redirect box on the 'Create Poll' page, 'Advanced Options'.
BUZZ gives you the ability to set the time the participants will need to actually read the question, such as 5 seconds, before beginning the countdown clock to answer the question.
Upon entering the poll, the participant will be asked to choose the team from the options you have set up.
Yes, because Poll Guru is web-based, rather than an app, it is available to anyone who has access to the internet.