DAP technology has improved drastically over the last couple of years. Android 9 though? It came out 5 years ago and is pretty useless for compatability with modern apps. They're also missing the Cayin N7, which is fantastic, and the L&P LP6, which is considered one of the best DAPs if you don't need streaming - not to mention Lotoo's series the HiBy series. So picking their 3 most expensive DAPs and claiming they're the best while ignoring the ones they don't sell or that are cheaper is misleading. I'd take the N7 over all 3 of those, and yes, they sell it if you want to buy from them.