Upgrade StorageZotDroid is down
The link to ZotDroid [in the documentation](https://www.zotero.org/support/mobile) is down. It looks like the app was removed from the Play Store.
Also, if it is [this one](https://github.com/ARF1/ZotDroid) it looks abandoned as last commit is dated 2017
Also, if it is [this one](https://github.com/ARF1/ZotDroid) it looks abandoned as last commit is dated 2017