S3 Neo GT-I9300I aptx and smartstay feature topic

Has anyone used aptx and smartstay feauture on this.Is it working good.I am using samsung hs3000 for aptx but not feeling any difference in sound quality.How to detect whether aptx is being used and enabled.
And smartstay is not working...i am not seeing the eye icon

Android version 4.4.4 KitKat