Hi @Marcio_Moraes, very easy,
At the end of the web address you need to write # and the action that you want
/#autoplay
And ready! , your scene will load automatically
There are several other actions you can write at the end of the web address of your tour, the complete list is here
If you need use more than one action, just ad & and write another action like this
/#autoplay&help&mobilehi