If you use Android, you have a Google Account, and that means you have access to the excellent Google Drive cloud storage service. With Drive, you can easily access synced files across all your devices no matter where you are. With the additional Docs, Sheets, Slides, and Photos apps from Google, Drive is the center of a productivity hub on your Android.
Your Gmail inbox is not secure. Use ProtonMail instead. This encrypted email platform offers a range of pricing options, including a free tier, so you have no excuse not to join. Security and privacy features aside, ProtonMail works like any other email app. Make sure to also check out ProtonVPN for securing your network traffic; it's an Editors' Choice for free VPNs.
Faxing isn't dead quite yet, but fax machines can safely be left behind thanks to online fax services. Fax.Plus's app is well designed and easy to use. It notably offers a digital signature tool and a contact manager. We like how mobile fax apps allow users to snap a picture of an attachment, attach a fax cover sheet, and send a fax off to a recipient in a few quick actions. Fax.Plus makes this process seamless.
Microsoft Word is, simply put, the alpha and omega of word processing, and one of the key apps in Microsoft Office 365. You'll find it on every kind of computer in every kind of setting, and now it's available for free on Android. Word plugs into Microsoft's cloud infrastructure to keep your documents in order, but its main selling point is that this really is Word. What you make on your phone will look exactly the same on the desktop. For the worker on the go, it's essential. Droid App