MPSolve is a multiprecision polynomial solver. It aims to provide an easy to use (hopefully) universal blackbox for solving polynomials.
This application contains a simple interface to the package.
You can find more about MPSolve on http://numpi.dm.unipi.it/mpsolve.
Note: You may need to install a file manager (like OI File Manager, for example) in case you want
to load .pol file from your device.