The mars android box comes with TVMC which has its own config wizard which will enable a selection of addons
To manually set up kodi follow instructions on this link
http://www.htpcbeginner.com/in…-easy-addon-installation/
this adds superrepo as a source to your device the addons are under video
The addons I enabled from this source are
Genesis
icefilms
1channel
phoenix
uk turk playlist
to add Sportsdevil follow link below
https://seo-michael.co.uk/how-…tall-sportsdevil-on-xbmc/
There are 100's of addons but i find the 6 above give me everthing i need on kodi