This study aims to study and development of the program ergonomics workload assessment for Android operation system. The program is designed and developed for assessment results to samples industrial factory. The focus is on development software for the Android operation system used to assess the workload associated with posture, ergonomics in the workplace. Disseminate and promote the adoption of such principles to be applied. To be useful in evaluating the performance and behavior in the environment , which can lead to improved posture and working environment. And to reduce the risk of cumulative trauma of the operation. Which was conducted to evaluate the workload ergonomics principles . Application design and development using Java JDK, Eclipse, Android SDK and Android Developer Tools Review , designed a program to find the error occurred. Trial of the application and evaluation of the implementation of the program. The results showed that the Evaluate the ergonomics program workload on the Android operating system is developed to evaluate the experimental plant samples can be applied practically. Value of the input data and summary evaluation results are accurate and gained high levels of satisfaction from all users.