Setup microG

Using microG to replace Google Play service from validating device certification.

1. Download microG apks

https://github.com/microg/GmsCore/wiki/Downloads

We need GmsCore.apk and GsfProxy.apk for this project

2. Download patch of signature spoofing for Android 11 (R)

https://github.com/lineageos4microg/docker-lineage-cicd/tree/master/src/signature_spoofing_patches

Create new folder $rootDir/vendor/microG and put apks and patch into it

3. Implement script to build microG

• Create microG.mk to build microG's apps
• Create Android.mk (Android.bp) to include each app and default permission into firmware.
• Create script to apply patch

Please find source code which implemented these steps under: vendor/microG

7. Include microG into device's make file

Add the following line into device's make file:

$(call inherit-product, vendor/microG/microG.mk)

8. Apply the patch

Run following script:

vendor/microG/patch/apply.sh

Setup MindTheGapps

Using MindTheGapps for Google apps. For this project, we need only Google Play Store. But we can include more if we want.

1. Download MindTheGapps

Download them from: https://gitlab.com/MindTheGapps/vendor_gapps

Select correct branch for Android R (rho).

Create new folder $rootDir/vendor/gapps and copy mindthegapps into it.

2. Include MindTheGapps into device's make file

Add the following line into device's make file:

$(call inherit-product, vendor/gapps/arm64/arm64-vendor.mk)

3. Remove unneccessary apps

Select and remove unncessary apps from vendor/gapps/arm64/arm64-vendor.mk and vendor/gapps/common/common-vendor.mk

We need to keep only Phonesky (Google Play Store) and GoogleServicesFramework for this project.

Please find source code which implemented these step under vendor/gapps

Current working flow

Flash new firmware & reboot device -> Add account via Settings or Play Store -> Open microG and register device -> Reboot.

After that can use Google Play Store.