Harpy Gaiden Pocket Edition is a fine-tuned version made specially for your smartphone.
In this game, you must use your bow to take out any obstacles in your way. You can draw back your bow longer to shoot arrows farther, and you can collect 100 spades to heal yourself, you can also heal by reaching a checkpoint.
This game includes multiple endings, the player must collect a blade in each level in order to get the true ending. There are 7 levels, 1 secret level, and a much more difficult new game + with unique enemies, a new soundtrack, and a special level.