click on the gacha neon apk when u finished downloading, then it might take you to a file explorer thingy, click extract all, then click ok, go to files, right click the gacha neon file, click open, now, if you see a folder i think click on it, then open, then click gacha neon with the icon, you might be able to open it, ok so i dont really know if this tip will work for a pc but i know that laptops will