Rig Pro

This is the pro version of the android software(Rig)
https://play.google.com/store/apps/details?id=com.blogspot.andriopak.rig
and this pro version contains no ads.
the basic information for Rig is below.
i am developing Rig software for distributing knowledge among world wide oil and gas Rig workers to improve their knowledge about rigs and their equipment and how the rig equipment work on basic and advanced level too.
i would like to get suggestions from the users to improve Rig as much as possible.
we will be using only use full information and do not take long description for any of content in rig.
we are making rig construction from basic to advanced level so beginners can get knowledge before proceeding towards advanced level. so we are focusing beginners with easy writing.
we will also including major important subjects in our software like IWCF (International Well Control Certificate) information and for Safety related information up to supervisor level and will include formula calculations inside the Rig.
in short Rig is a software which can give you all of information which you required to work on rig and for the interview too.