Do not install if you want offline, classic C&C.
There is (Tiberian Dawn, Red Alert, Tiberian Sun, or Generals) released by EA for Android. The only official C&C mobile titles are free-to-play, online-only, and widely disliked by franchise fans. command and conquer offline android
Battery drain (20-30% per hour), requires some tinkering, touch controls are fiddly (mouse emulation only). Do not install if you want offline, classic C&C