are you asking license wise? then yes! do as you please. This work is licensed under CC BY-SA 4.0 
This means you are free to share and adapt, but have to credit me.
if you are asking for additional spritesheets. request them on my fiverr: https://de.fiverr.com/michael_jay_rov?up_rollout=true
xoxo uwu for liking my work <3