Once an account is banned for cheating, there is almost no way to recover it, meaning months or years of legitimate work will be lost.
Most "hacks" require you to complete a "human verification" step. This usually involves downloading other apps or taking surveys. These are designed to generate advertising revenue for the site owner, and in almost every case, no resources are added to your game once the tasks are completed.
Instead of risking your account, you can use these proven strategies to grow your empire quickly and safely.