If your ROM does **not** have signature spoofing support, you can manually patch it by flashing the on-device Patcher zip. It also installs an `addon.d script` that auto re-patches the ROM upon update.
* go into **microG settings** and set up everything like:
* check results in **Self-Check**, grant missing permissions (by tapping on them)
* especially the **Battery Optimization** item
* if Phonesky (= Fake Store or Play Store) lacks signature spoofing permissions head to Settings > Apps > Permissions > Signature Spoofing and grant it
* or manually using `pm grant com.google.gms android.permission.FAKE_PACKAGE_SIGNATURE` as root on-device
* likewise `pm grant com.android.vending android.permission.FAKE_PACKAGE_SIGNATURE` for Phonesky
* enable **Google device registration**
* enable **Google Cloud Messaging** (only if you want to receive push messages from your applications)
* enable **Google SafetyNet** (required for applications that utilize SafetyNet, for example Pokémon GO, ...)
* in **UnifiedNlp Settings** choose either any or all of (whichever you've choosen to be installed)
* **Déjà Vu**, **Mozilla**, **Apple**, **Radiocell** as Geolocation backend
* **Nominatim** as Address lockup backend
* after everything is done, reboot
* if you installed **Play Store** open it, setup account and install your apps