For the best Kodi experience, I run CoreElec custom firmware on my android tv box.  CoreElec is a ‘Just enough OS’ Linux distribution based on Kodi technology for amlogic based android tv box. 

Previously I use android based Kodi and they are no match for CoreElec in term of speed and stability.  All the newer amlogic tv box such as S905x or 922x cannot support HD audio passthrough such as Dolby True HD and DTS-HD or DTS-X in Kodi but if you use CoreElec on these android box, it will happily passtrhrough all the HD audio format. 

The other benefit of CoreElec is auto frame rate switching.  Most android tv just could not do auto frame rate switching but CoreElec handles it flawlessly and the movies will playback smoothly in 24p.
With a RealDebrid account and CoreElec, you will be in movie heaven.
CoreElec is Kodi minus the android software burden so it runs super fast and stable.  The boot up time is very fast too. 

If you haven’t try CoreElec, you should. You won’t go back to Kodi running on Android