Tools Information:
ABBYY Mobile OCR Engine:(Paid)
ABBYY Mobile OCR Engine is a powerful software development kit which allows developers of mobile and small footprint applications to integrate highly accurate optical character recognition (OCR) technologies that convert images and photographs into manageable and searchable text. Toolkit supports the most popular mobile platforms and devices - iOS (iPhone) and Android.
ABBYY Mobile OCR Engine
Demo App in play store: https://play.google.com/store/apps/details?id=com.abbyy.mobile.bcr&hl=en
Tesseract OCR Engine (mainly maintained by Google):(Free)
It's used android tesseract tools and is very easy to use.Android application to extract the text from the image being
captured by the camera of your Android phone! They are using a fork of Tesseract Android Tools by Robert This called Tess Two.
They are based on the Tesseract OCR Engine and Leptonica image processing libraries.
Demo App in Play store: https://play.google.com/store/apps/details?id=com.datumdroid.app
Library available in GitHub: https://github.com/rmtheis/tess-two
OCR Library configure in Eclipse: http://www.luigimarino.altervista.org/blog/informatica/13-configureandroidlibrary
OcrApiService :
Ocrapiservice.com provides an online and cloud based OCR (Optical Character Recognition) REST API
OcrApiService
Demo : https://github.com/smart-mobile-software/ocrapiservice