[Random Letter Generator]
Random Letter Generator is create for anyone who want to randomize letters to use in your activity or use for something and we care about if the user random more than one letters that is hard to rewrite in your program or used. We desire to add copy option to make it easy for anyone.

[CUSTOMIZE OPTION]
- RANDOM ALL LETTERS
- RANDOM ONLY UPPERCASE LETTERS
- RANDOM ONLY LOWERCASE LETTERS
- CHANGE NUMBER OF LETTERS
- COPY ALL GENERATED LETTER BY SINGLE TOUCH IN TEXT