It is not recommended . The combination of low success rates on modern apps, high security risks, account bans, and the availability of free, ad-supported alternatives makes using the Lucky Patcher Proxy more trouble than it's worth. On modern Android versions, its effectiveness is extremely limited without root, and with root, you are exposing your device to significant risk.
Many users report that the proxy method fails. Here’s why: lucky patcher proxy
A acts as an intermediary between your Android device and the app’s server. When you use Lucky Patcher to modify an app—specifically to emulate billing or bypass verification—the app tries to communicate with its home server to confirm the purchase or status. It is not recommended