Text this: Development of a mobile app for technology-enhanced learning (TEL) of combinatorial logic circuits

 _    _     ______     _____   _    _    _____    
| || | ||  /_   _//   / ___// | || | || |  __ \\  
| || | ||   -| ||-    \___ \\ | || | || | |  \ || 
| \\_/ ||   _| ||_    /    // | \\_/ || | |__/ || 
 \____//   /_____//  /____//   \____//  |_____//  
  `---`    `-----`  `-----`     `---`    -----`