Smart Maize farmer App is for students of Royal University of Agriculture Cambodia to map Maize Value Chains actors using Smartphone technologies as part of Agriculture technologies with support from CESAIN. The App is developed and managed by Climate Smart Technologies (climatesmarttech.com). RUA intends to use this app for education and further customize to various projects and stakeholders working on Rice to use it nationally. This will help RUA students, Farmers, Traders, etc to add data in a harmonized way for the use of MAFF and Cambodian government to address food security challenges in the country.