HELP with ODK Aggregate

https://lh3.googleusercontent.com/-Zqn9GSk52ik/UBLV9Pc0hQI/AAAAAAAAAE4/72iXj2Ljsf4/s1600/imagem1.jpg
I need create something to change values on the graphics from ODK Aggregate.

we work with graphics and we need the numbers to generate statistic and we
want those graphics to be sent to an Device with the meaning of these
numbers. I don't know if you can understande me.