no issues with installing and running the trial version. I purchased a license directly from them since I cannot purchase directly from Google Play store, but to authenticate the license is pretty shady. They want you to enter your email server info and your login info so they can check your inbox for the purchase license message. I don't feel comfortable giving them full access to my email account. I am going to reach out to them and see if there are any other options to authenticate. If anyone who uses it knows and can share if there is a different way to authenticate a license purchased directly from Neutron, I'd appreciate it.