How to implement KISH Grid

Am having some challenges implementing KISH Grid for random selection of respondent. Kindly assist. Thank you


What is the problem? Please be detailed.

*What ODK tool and version are you using? And on what device and operating system version?
What steps can we take to reproduce the problem?

What you have you tried to fix the problem?

Anything else we should know or have? If you have a test form or screenshots or logs, attach here.