Its features are:
1. Besides standard you can chose all kinds of exotic moving average types ike (my favorite), HullMA, , , etc...
2. Two types of coloring scheme - depends on try one that's best fit.
3. Multiple sets of predefined lengths: standard Guppy 3-60, Fibonacci based lengths 3-610, Fibo 5-987 and Custom (user defined lengths)
In true TradingView spirit, the author of this script has published it open-source, so traders can understand and verify it. Cheers to the author! You may use it for free, but reuse of this code in a publication is governed by House Rules. You can favorite it to use it on a chart.