Develop a 2D endless runner mobile game using Stencyl that features a protagonist who must avoid various obstacles by using the tilt controls of the device's accelerometer. The game environment should be colorful and vibrant, with an upbeat soundtrack to keep players engaged. The main character should have customizable skins to provide users with an element of personalization. Additionally, the game should have a high score feature, and a leaderboard to encourage competition among players.
This prompt doesn't seem malicious.