Here is another app controlled robot that teaches you about robots and coding. The Adeept Hexapod Spider Robot comes with a Python based graphical interface. The kit consists of a Adeept Pixie, ESP8266 WiFi module, MPU6050 Gyro Sensor module, and 14 AD002 servos.
You can control the robot remotely using an Android device. The kit comes with all the necessary parts you need to get started.