formação

https://jlaulas.wordpress.com/2019/09/01/ano-letivo-2019-20/
https://ufcd0755tic.blogspot.com/
https://catalogo.anqep.gov.pt/ufcdDetalhe/740

All users who have installed that same app (apk file) will get the same stored value.

https://appinventor.mit.edu/explore/ai2/firebase

http://appinventor.mit.edu/explore/ai2/linux.html

mas para funcionar há que instalar:
sudo apt install lib32z1 lib32stdc++6
https://dexgnu.blogspot.com/

para executar:
killall aiStarter
/usr/google/appinventor/commands-for-Appinventor/aiStarter &

https://anpri.edu.pt/course/view.php?id=126