Asked
— Edited
whits phones are good for the mobil app.i wanna try to find a secondhanded.
the app looks awesome,
UBTECH Alpha Servos UBT-12HC
— Control UBTECH Alpha UBT-12HC smart servos via ARC using EZ-B v4/IoTiny UART, assign virtual ports, set baud, custom bits and position mapping.
Try it →
I haven't used my Nexus 5 on it a whole lot, but it loaded up an app just fine and seemed to work
Like others have said, probably almost all android phones less than 3 years old would do nicely.
By the way, I don't know your price range, but a new Nexus 5 can be had from Google for $350 and it's a damn good phone