In order to make sure that the devices are going work properly, all the different software that makes it tick should be tested. Undiscovered bugs or regressions can cause enormous losses for a company and frustrate your target audience.
So what is your open source tool for mobile test automation?
Find your answers in this blog article:
http://blog.testproject.io/2015/10/08/whats-my-open-source-tool-for-mobile-app-test-automation/