Looking into writing an android app that can scan some simple test and process it. Some solutions require installation of the android ndk in addition to the sdk. The native development kit (ndk) allows you to compile languages like C++ into a native .so library.
The ndk is required to get a shared library build for the Tesseract OCR engine. ref:
tesseract ocr project at code.google. You may be able to find prebuilt binaries if lucky. You'll need the GCC compiler and cygwin to...