PariDroid
PariDroid is a port of PARI/GP to Android, started by Charles Boyd and currently maintained by Andreas Enge and Laurent Facq. It is distributed under the GNU General Public License, either version 3 of the licence, or (at your option) any later version (GPLv3+).
Installing PariDroid
Ready to use packages in the .apk format can be found
in the
download section.
They are also available via the
F-Droid
and the Google Play stores.
For details on the project setup for compilation, see multiprecision.org.