In the previous task you finished am App Inventor project with the route of your team.
Now, you have to share your work;
1. Download the .aia file to your computer.
2. Upload this .aia file to Materials > Files. (https://twinspace.etwinning.net/98967/materials/files),
After that, students from Huétor-Tájar will join all the pieces to create only one app: this app will be upload to Play Store.