And, since it is the App Store and Google Play Store, you can get it from any platform if you are a programmer.
All those Sorting algorithms are close to brute-force, but at least Red-Black with hinting seems intuitively quite similar to tree-based. While you have some more memory and computational overhead in the Red-Black array, it seems worth experimenting with Red-Black. The Wikipedia article that @Boaz points to touches on this 50e0806aeb haluji
http://wilayabiskra.dz/?p=3976 http://skyelectronics.sk/2014/09/05/result5300/ http://marcus-shootster.de/sho....oting-2018-09-23-mel