I have DJi Pilot V1.2.0, Ultimate Flight V3.21 and Litchi V1.7.6 installed on my Samsung Galaxy Tab 4. GooglePlay services has always been downgraded in order for the tablet to perform better. While monitoring the tablet CPU usage with the Cool Tool app and my P3A sitting inside on the bench, I observed the following CPU usage while switching between each app. The P3 remained powered continuously throughout the test. I exited each app and started each app in the order below. No mission profiles were run, only sitting idle with the camera view. DJi Pilot - 33 - 45% Ultimate Flight 90 - 98% Litchi - 95 - 98% I would have hoped the developer apps would be equal to or have less CPU usage than DJi's Android apps. But, twice as much...wow! What are these two developer apps doing to require twice the CPU horsepower? Sloppy coding just to get something to market?