Study app

Google Docs: Sync, Edit, Share
App
"Best cloud text editor."
Google Sheets
App
"Wonderful tables"
Google Slides
App
"Ótimo para edição de slides. Super recomendo."
Dropbox: Photo & Cloud Storage
App
"Great application for storage in ☁️ and also has integration by Google account."
Google Drive
App
"Similar to Dropbox, for cloud storage, but has integration with all Google apps like Docs, Sheet and ends up getting better immersive application integration. I highly recommend it."