Need help for making a maze game! - MIT App Inventor Help - MIT

I'm currently making a maze game. My requirement of the game is that make a function 'touch_colour' so that the player can detect the colour of the wall to prevent colliding with the wall; also with procedures 'move_up', 'move_down', 'move_left' and 'move_right' to let the player move in directions. Here is a screenshot of my initialized coding of the maze game. And here is the designer of the maze game. Actually, I'm just confused of the movement, directions and detection of colour of t

Building Personal Medicine Apps to Help Patients

MIT App Inventor

Enemy follow in a maze game - Help - Microsoft MakeCode

MIT App Inventor: Learn to Design Your Own App! - Teach Your Kids Code

Need help for making a maze game! - MIT App Inventor Help - MIT App Inventor Community

MIT App Inventor Maze Game By Anish Bhattacharya

Find the Gold Maze App

to make a translator who can speak another language with app inventor and 3D call or use offline translator

Find the Gold Maze App

MIT App Inventor

MIT APP INVENTOR 12 LESSON PACKET: MAKE APPS Technology lesson plans, Lesson, Technology lessons