[truthspeaker]

Action launcher, Chrooma keyboard, Google wallpaper, Flipboard, Calendar Widget Month + Agenda, Rainpaper, Caffeinate, weather timeline, Google Rewards, Package Disabler, Keep,Speed test, Anthenticator, PhotoMath, Socratic, FACEapp, boost reddit, swipe facebook, retouch, smart wallpaper, another widget, Pocket Casts, speed test, Tunin Radio, Backdrops, LookUp for chrome, KWGT, Darkops, myWalls, Facets with Muzei, Walli
you maybe also can try Gboard or Swiftkey
Nova launcher, Microsoft launcher, corine icon pack, viral icon pack,
reply apk search on google,
whatsapp, Instagram, twitter, snapchat,
can try Brave Browser for private
Amazon, Argos, Gumtree, Shpock, paypal
Call Recorder - ACR, Flamingo for Twitter
Textra, Tasker, IFTTT, Adobe reader, AZ screen recorder, EZ File Explorer, FilMic Pro, Google+, Pushbullet,
just chose any Quotes Motivation widget

Fast Finder app
by Denim Basumatary
can search for anything on your phone. documents, APK files, etc

TouchRetouch, SD Maid, Greenify, Amazon Kindle, NavBar Animations,
TouchBar for Android PRO
Control Center IOS 11
Motorola Command center APK from XDA web site
terpsichora theme APK from XDA
Batman Injustice theme APK from XDA
Pixel 2 live wallpapers APK
Zooper widget, Smart tools,
VLC player or MX Player Pro
adobe scan, Outlook, Pocket
3D Parallax background, Link2SD, Sleep as Android
Microsoft's SMS Organizer (if you live in India)
if you want your phone to look like pixel phone then try Rootless Pixel APK, Lean launcher or Lawnchair with Pixel icon pack

Samsung internet switch on high contrast mode for (dark, black mode theme), add Ad blocker extension.

Google Camera Port with Portrait Mode, HDR+ working on Galaxy S9, S8, S7
APK file..from XDA
this is the same camera on Pixel Phones. its modded to work on Galaxy S9
rear facing camera working.
Blur effect is working,
HDR+ is working
selfie camera not working.

Gesture Control App (like OnePLus 5T and iPhone X swipe gestures)

substratum app makes all app dark mode. Google Now dark, Youtube dark, whatsapp,
messenger lite etc

Advanced Download Manager app

i like this 3D parallax background wallpaper app.

Sesame app with Nova, add extra short cuts to app's, can also search APK files, Microsoft documents,
Sesame > Device Files Edit : It will search on quick search (Home Page), prees on edge screen.

F-Droid app NewPipe, DNS66, Blokada, Adguard

AdHell2, Amazon Appstore or Amazon underground, Weather Underground, Google Authenticator, audible, iYTPB, OG YT, Piktures, Quickpic, LastPass, Pushbullet, Join,
Palabre Feedly RSS Reader News
Mobiwol app to block app connecting to the internet
Word Swag app

Good Lock 2018 app > (Samsung Phone's),
Tapet, Moon Reader Pro, Text Grabber, SKRWT, CAM to plan, Resplash, Prisma Photo Editor, Lynket Broswer, ADvanced downloader,

for Tech News app
Android Central, Windows Central, iMore, The Verge, Beebom, all with Dark mode.

Engadget,Techcruch, Businees insider, android Authority, Droid Life, Digital Trends, The Next Web (TNW), VentureBeat, Mashable, Gizmodo Tech, SlashGear