One of the missions to get alien coins is the mission of Agent MJ. Agent MJ ordered to deliver Alien Lollipop. How to get alien kiosk to make alien lollipop? talk to agent K and buy alien kiosk with alien coins(near agent MJ). you need 1920 coins to buy it. Place the alien kiosk in your house then make an alien lollipop or aother lien food in the alien kiosk
How to get Alien Coins?
These coins can be obtained from daily missions, free rewards and tasks from many NPCs (Agent MJ, Dog and piri piri in the downtown entrance, Oh Taku in camping ground entreance ).