Paid app ($4.99) — only Google Play can deliver it
Players operate air purifiers to combat floating pollutants and virus particles.
Eco Air Defender空氣淨化戰 — description
背景為受到汙染物侵襲的城市，玩家扮演著環保衛士的角色，以操縱空氣淨化裝置打擊與對抗空氣中不斷侵襲城市的飄浮汙染物、病毒顆粒等危害物質，並同時合成不同的裝備加強對抗能力。 In the background of a city invaded by pollutants, players play the role of environmental protection guards, manipulating air purification devices to combat and counter harmful substances such as floating pollutants and virus particles that constantly invade the city in the air, and at the same time synthesizing different equipment to strengthen the countermeasures.