Adobe Reader allows you download and read PDFs on your Android. Features include search, zoom and night mode.

Free.

An app designed to help you catalog and organize your personal or professional library. Add ratings, annotations about books, check which books you own while shopping, and quickly scan books with the bar code reader.

Free.

Box offers a collaborative environment that also stores your documents in the cloud, giving you access anywhere. You get 10Gb free storage and a secure environment to work in.

Free, with the option to purchase additional storage space.

Need a quick PDF of that receipt, or the notes you took during a hearing? Camscanner allows you to take a picture of the document, turn it into a pdf (including image cropping and batch uploads) and share it with others.

Free.

Dropbox gives users a place to store and access their files. Collaboration, downloading and editing is all very simple. Once you save to your dropbox account on your tablet, it will be saved automatically to every computer you have dropbox on.

Free.

DW Contacts and Phone Dialer is an upgrade on your built-in contacts. You can color code your contacts employer and job title, track, filter, write notes and keep statistics on your calls and contacts and much more.

$9.80 for pro.

Take notes, capture images, make lists, make voice reminders, sync notes from across all your computers. Evernote helps you to stay organized. One of the most popular apps for both Android and IOS.

Free.

A PDF Reader that reads "like a book" and allows you to write or type right on the document. Audio and video files can also be opened with this reader. There is a text-to-speech option as well.

$3.99 for the 'Pro' Edition, or $0.99 for the lite edition.

Google Drive is a cloud-based app that allows you to upload documents and either share or access them anywhere. Documents can be saved for offline-editing and updated by those you are collaborating with.

Free.

An augmented reality app that draws upon the resources of Google searches and Google images. Take a picture of a famous landmark, painting, office product, or bar code, and Google Lens will bring back information about it via a Google search engine list. Works best with bar code scanning and well-known images or landmarks. It also allows you to translate text using your phone's camera.

Free.

Love to Google? This app is for you. You can search either by voice command or by typing. The results can be personalized to your location. This app is essentially Google on the go.

Free.

Logmein ignition allows you to use your personal computer from your Android. You can access any file you have on your computer from your phone. The app also features a multiple monitor switch.

$29.99.

All of the Microsoft applications (Powerpoint, Excel, Word, and so on) for your Android. View, edit, create and share documents. Other apps may use this app to help read PDFs and word files as well.

$29.99

If you need to know when a package arrives, or where a package is at, this app is for you. Working with a long list of carriers, the app allows you to enter the tracking number and go.

The Adobe Scan scanner app turns your device into a powerful portable scanner that recognizes text automatically (OCR) and allows you to save to multiple files formats including PDF and JPEG. The most intelligent scanner app. Scan anything — receipts, notes, documents, photos, business cards, whiteboards — with text you can reuse from each PDF and photo scan

Free -- some features require in-app purchases.

Dialpad Meetings adds an extra dimension to conference calls. Now you can easily tell who is speaking, mute or add 'earmuffs' during the call, and learn more about the other callers via social media connections.

Free.

Microsoft To Do is the replacement and upgrade app for Wunderlist (which was purchased and discontinued by Microsoft). It is designed to help you organize your to-do list and sync it across all your devices. You can share and collaborate your list and set up reminders for yourself.

Free with in-app purchases.

PrinterShare Mobile allows you to locate any accessible printer and then print from your Android device. You can print in a variety of formats (PDF, word, JPEG, webpages, text messages and more) and upload items to print from Google Drive.

Free for a limited amount of printing capability. For unlimited printing, the premium version is $12.95.

Swiftkey replaces your phones keyboard with a more intuitive and intelligent autocorrect, making typing an easier experience. The 'flow' feature allows you to enter phrases instead of typing with one swipe, all without needs to change the interface.

$3.99

Tasks, based on a well-loved but now defunct app called 'Astrid', helps you keep track of all your to-do lists. You can send reminders to other staff members or be reminded yourself. Add tasks by speaking to the app or by writing them in.

Free.

Boomerang's email app includes some unique email features such as 'snoozing' email, scheduling email for later, tracking responses and more. While it currently only works with Google and GMail, Boomerang is working on synching up with other email services so you can get all your emails in one place with this app.

Free.

Google's email program with all the basic email options included. An intuitive program where you can add attachments and incorporate multiple accounts as needed.

Free (but does contain ads)