Arduino based projects are quite complicated and is no cake walk for beginners in this field. Interfacing a tablet with the microcontroller is a daunting task. Let see how its done here. Arduino based ...
The Giga Display Shield (plug-in board) might fit the bill. It adds a 3.97inch 480 x 800 RGB touchscreen, digital microphone (MP34DT06JTR by ST), six-axis IMU (Bosch BMI270 inertial measurement unit), ...