[Android Apps and Games] oF2pks:
6.2 builds (Lollipop-Oreo)

Attached is webview Focus 6.0 apk with removed Adjust/Analytics, and webview Klar 6.0

[SIZE="1"]/app/build.gradle
focusImplementation 'com.adjust.sdk:adjust-android:4.11.4'
focusImplementation 'com.google.android.gms:play-services-analytics:10.2.6' // Required by Adjust[/SIZE]

For full 6.2 Gecko/webview&Klar releases : https://androidfilehost.com/?a=show&w=files&flid=80703 signed with debug key.

aapt dump badging app-klar-gecko-arm-coverage.apk

[SIZE="1"]package: name='org.mozilla.klar.coverage' versionCode='11' versionName='6.0' platformBuildVersionName=''
sdkVersion:'21'
targetSdkVersion:'27'
uses-permission: name='android.permission.INTERNET'
uses-permission: name='android.permission.WRITE_EXTERNAL_STORAGE'
uses-permission: name='android.permission.ACCESS_NETWORK_STATE'
uses-permission: name='com.android.launcher.permission.INSTALL_SHORTCUT'
uses-permission-sdk-23: name='android.permission.REQUEST_INSTALL_PACKAGES'
uses-permission: name='android.permission.ACCESS_WIFI_STATE'
uses-permission: name='android.permission.WAKE_LOCK'
uses-permission: name='android.permission.VIBRATE'
uses-permission: name='android.permission.RECEIVE_BOOT_COMPLETED'
application-label:'Firefox Klar'
application-label-af:'Firefox Klar'
application-label-am:'Firefox Klar'
application-label-an:'Firefox Klar'
application-label-anp:'Firefox Klar'
application-label-ar:'Firefox Klar'
application-label-ast:'Firefox Klar'
application-label-ay:'Firefox Klar'
application-label-az:'Firefox Klar'
application-label-be:'Firefox Klar'
application-label-bg:'Firefox Klar'
application-label-bn:'Firefox Klar'
application-label-bn-BD:'Firefox Klar'
application-label-bn-IN:'Firefox Klar'
application-label-bs:'Firefox Klar'
application-label-ca:'Firefox Klar'
application-label-cak:'Firefox Klar'
application-label-cs:'Firefox Klar'
application-label-cy:'Firefox Klar'
application-label-da:'Firefox Klar'
application-label-de:'Firefox Klar'
application-label-dsb:'Firefox Klar'
application-label-el:'Firefox Klar'
application-label-en-AU:'Firefox Klar'
application-label-en-CA:'Firefox Klar'
application-label-en-GB:'Firefox Klar'
application-label-en-IN:'Firefox Klar'
application-label-en-XC:'Firefox Klar'
application-label-eo:'Firefox Klar'
application-label-es:'Firefox Klar'
application-label-es-AR:'Firefox Klar'
application-label-es-CL:'Firefox Klar'
application-label-es-ES:'Firefox Klar'
application-label-es-MX:'Firefox Klar'
application-label-es-US:'Firefox Klar'
application-label-et:'Firefox Klar'
application-label-eu:'Firefox Klar'
application-label-fa:'Firefox Klar'
application-label-fi:'Firefox Klar'
application-label-fr:'Firefox Klar'
application-label-fr-CA:'Firefox Klar'
application-label-fy-NL:'Firefox Klar'
application-label-ga-IE:'Firefox Klar'
application-label-gl:'Firefox Klar'
application-label-gu:'Firefox Klar'
application-label-gu-IN:'Firefox Klar'
application-label-hi:'Firefox Klar'
application-label-hi-IN:'Firefox Klar'
application-label-hr:'Firefox Klar'
application-label-hsb:'Firefox Klar'
application-label-hu:'Firefox Klar'
application-label-hy:'Firefox Klar'
application-label-hy-AM:'Firefox Klar'
application-label-ia:'Firefox Klar'
application-label-in:'Firefox Klar'
application-label-is:'Firefox Klar'
application-label-it:'Firefox Klar'
application-label-iw:'Firefox Klar'
application-label-ixl:'Firefox Klar'
application-label-ja:'Firefox Klar'
application-label-ka:'Firefox Klar'
application-label-kab:'Firefox Klar'
application-label-kk:'Firefox Klar'
application-label-km:'Firefox Klar'
application-label-kn:'Firefox Klar'
application-label-ko:'Firefox Klar'
application-label-kw:'Firefox Klar'
application-label-ky:'Firefox Klar'
application-label-lo:'Firefox Klar'
application-label-lt:'Firefox Klar'
application-label-lv:'Firefox Klar'
application-label-meh:'Firefox Klar'
application-label-mix:'Firefox Klar'
application-label-mk:'Firefox Klar'
application-label-ml:'Firefox Klar'
application-label-mn:'Firefox Klar'
application-label-mr:'Firefox Klar'
application-label-ms:'Firefox Klar'
application-label-my:'Firefox Klar'
application-label-nb:'Firefox Klar'
application-label-nb-NO:'Firefox Klar'
application-label-ne:'Firefox Klar'
application-label-ne-NP:'Firefox Klar'
application-label-nl:'Firefox Klar'
application-label-nn-NO:'Firefox Klar'
application-label-oc:'Firefox Klar'
application-label-pa:'Firefox Klar'
application-label-pa-IN:'Firefox Klar'
application-label-pai:'Firefox Klar'
application-label-pl:'Firefox Klar'
application-label-pt:'Firefox Klar'
application-label-pt-BR:'Firefox Klar'
application-label-pt-PT:'Firefox Klar'
application-label-quy:'Firefox Klar'
application-label-ro:'Firefox Klar'
application-label-ru:'Firefox Klar'
application-label-si:'Firefox Klar'
application-label-sk:'Firefox Klar'
application-label-sl:'Firefox Klar'
application-label-sq:'Firefox Klar'
application-label-sr:'Firefox Klar'
application-label-sr-Latn:'Firefox Klar'
application-label-sv:'Firefox Klar'
application-label-sv-SE:'Firefox Klar'
application-label-sw:'Firefox Klar'
application-label-ta:'Firefox Klar'
application-label-te:'Firefox Klar'
application-label-th:'Firefox Klar'
application-label-tl:'Firefox Klar'
application-label-tr:'Firefox Klar'
application-label-trs:'Firefox Klar'
application-label-tsz:'Firefox Klar'
application-label-tt:'Firefox Klar'
application-label-uk:'Firefox Klar'
application-label-ur:'Firefox Klar'
application-label-uz:'Firefox Klar'
application-label-vi:'Firefox Klar'
application-label-wo:'Firefox Klar'
application-label-zam:'Firefox Klar'
application-label-zh-CN:'Firefox Klar'
application-label-zh-HK:'Firefox Klar'
application-label-zh-TW:'Firefox Klar'
application-label-zu:'Firefox Klar'
application-icon-160:'res/mipmap-anydpi-v26/ic_launcher.xml'
application-icon-240:'res/mipmap-anydpi-v26/ic_launcher.xml'
application-icon-320:'res/mipmap-anydpi-v26/ic_launcher.xml'
application-icon-480:'res/mipmap-anydpi-v26/ic_launcher.xml'
application-icon-640:'res/mipmap-anydpi-v26/ic_launcher.xml'
application-icon-65534:'res/mipmap-anydpi-v26/ic_launcher.xml'
application-icon-65535:'res/mipmap-anydpi-v26/ic_launcher.xml'
application: label='Firefox Klar' icon='res/mipmap-anydpi-v26/ic_launcher.xml'
application-debuggable
launchable-activity: name='org.mozilla.focus.activity.MainActivity' label='Firefox Klar' icon=''
uses-permission: name='android.permission.READ_EXTERNAL_STORAGE'
uses-implied-permission: name='android.permission.READ_EXTERNAL_STORAGE' reason='requested WRITE_EXTERNAL_STORAGE'
feature-group: label=''
uses-gl-es: '0x20000'
uses-feature-not-required: name='android.hardware.audio.low_latency'
uses-feature-not-required: name='android.hardware.camera'
uses-feature-not-required: name='android.hardware.camera.any'
uses-feature-not-required: name='android.hardware.camera.autofocus'
uses-feature-not-required: name='android.hardware.location'
uses-feature-not-required: name='android.hardware.location.gps'
uses-feature-not-required: name='android.hardware.microphone'
uses-feature: name='android.hardware.touchscreen'
uses-feature: name='android.hardware.wifi'
uses-implied-feature: name='android.hardware.wifi' reason='requested android.permission.ACCESS_WIFI_STATE permission'
main
other-activities
other-services
supports-screens: 'small' 'normal' 'large' 'xlarge'
supports-any-density: 'true'
locales: '--_--' 'af' 'am' 'an' 'anp' 'ar' 'ast' 'ay' 'az' 'be' 'bg' 'bn' 'bn-BD' 'bn-IN' 'bs' 'ca' 'cak' 'cs' 'cy' 'da' 'de' 'dsb' 'el' 'en-AU' 'en-CA' 'en-GB' 'en-IN' 'en-XC' 'eo' 'es' 'es-AR' 'es-CL' 'es-ES' 'es-MX' 'es-US' 'et' 'eu' 'fa' 'fi' 'fr' 'fr-CA' 'fy-NL' 'ga-IE' 'gl' 'gu' 'gu-IN' 'hi' 'hi-IN' 'hr' 'hsb' 'hu' 'hy' 'hy-AM' 'ia' 'in' 'is' 'it' 'iw' 'ixl' 'ja' 'ka' 'kab' 'kk' 'km' 'kn' 'ko' 'kw' 'ky' 'lo' 'lt' 'lv' 'meh' 'mix' 'mk' 'ml' 'mn' 'mr' 'ms' 'my' 'nb' 'nb-NO' 'ne' 'ne-NP' 'nl' 'nn-NO' 'oc' 'pa' 'pa-IN' 'pai' 'pl' 'pt' 'pt-BR' 'pt-PT' 'quy' 'ro' 'ru' 'si' 'sk' 'sl' 'sq' 'sr' 'sr-Latn' 'sv' 'sv-SE' 'sw' 'ta' 'te' 'th' 'tl' 'tr' 'trs' 'tsz' 'tt' 'uk' 'ur' 'uz' 'vi' 'wo' 'zam' 'zh-CN' 'zh-HK' 'zh-TW' 'zu'
densities: '160' '240' '320' '480' '640' '65534' '65535'
native-code: 'armeabi-v7a'[/SIZE]

Nota up-to-date 5.0 Focus (with Adjust) & Klar edition are both on Playstore ; screenshots come from Addons Detector

More info

https://www.xda-developers.com/firefox-focus-switching-chrome-webview-gecko/ ( [MENTION=5518280]Enddo[/MENTION] )

https://blog.rabimba.com/2017/06/bringing-focus-back-firefox-focus.html