發送短信 : Android based edutainment system (toolboxes)

  _  _     _____     _____    _    _     ____    
 | \| ||  |  ___||  /  ___|| | || | ||  |  _ \\  
 |  ' ||  | ||__   | // __   | || | ||  | |_| || 
 | .  ||  | ||__   | \\_\ || | \\_/ ||  | .  //  
 |_|\_||  |_____||  \____//   \____//   |_|\_\\  
 `-` -`   `-----`    `---`     `---`    `-` --`