I understand, but is 'Acela' a name provided by Firebase or does it have some meaning behind it? Maybe this has already been mentioned in the video, but I understand things better through text. I also managed to make the encoder 3speak work, but I have some doubts. Who can I talk to via text to resolve my doubts? Regarding the application, I installed it on my Android and it works well. I haven't tested all the features yet, but it's working well.