Whether you are a small business owner or a mom entrepreneur, the android technology with over 400,000 (and growing) apps available is a great tool to help you do more with ease.

Android is a Linux based operating system for mobile devices such as smartphones and tablet computers. According to Google’s Andy Rubin (Bureau of Android Statistics), as of December 2011 there are over 700,000 Android devices activated every day.

Here are some of the best apps that you must have on your Droid to boost productivity, simplify life and do more.

1. Evernote

Evernote transforms the Android into an extension of your brain, assisting you in rememberingalmost everything that happens in your life. It’s free and lets you take notes, capture photos, create to-do lists, record voice reminders.

Evernote works with nearly every computer, phone and mobile device available in the market today.

2. Dropbox

Dropbox for Android brings your files with you when you’re on the go, lets you edit files in your Dropbox from your phone, easily upload photos and videos and share freely with family and friends.

Once Dropbox is installed on your computer, any file you save to your Dropbox will automatically save to all your computers and the best part is that it’s free.

3. SquareUp

You can accept payments from your phone with a free card reader. Every payment card Square accepts (Visa, Mastercard, American Express and Discover) has the same flat rate.

The fees are taken out of each payment as they occur so there is no fee schedule. Square does not require a contract upon signup or have any monthly minimums. It doesn’t cost you anything if you don’t use it. You can accept credit cards on your Android device with no contract, monthly fees, or merchant account.

4. ScanBizCards

You can captures business card images/details with your phone camera, transfer the card image content, and the transferred data is automatically organized as a contact and saved into phone address book and Card Holder. You can also put calendar reminders and even integrate it with apps like Skype and Evernote .

5. MobileBiz Pro

MobileBiz Pro creates professional and customizable PDF invoices to send to your clients. This is a “must-have” if you are doing invoicing on the field.

You can create estimates, sales orders, cash sales, invoices, invoices can be emailed, sent by sms, or printed, and you can generate customer statements and send by email and also create your own reports, send receipts

Which is your favourite business app do for your android device?