Mobile App android development - familiar with Firebase

We have developed few commercial applications like Ecommerce Apps, Utility Apps like Salon Booking, Doctors Appointment Booking, Job Portals, Taxi Booking, Hotel Service Applications etc, as well we have developed many good Social Networking , Sports Batting Enterprise Applications, Live Music Streaming & Event Booking Applications, Chatting & dating Mobile apps that deals into features like GPS Tracking, Sharing over Social Media, PIcs and Profile Sharing in Group, Face Recognition, Image Cropping, Geotagging capabilities (Google Maps) with push notifications for custom deals, Chatting, Dating etc with Back End Admin. This should be easy to develop for our skilled and experienced developers since we have just worked on very similar business Mobile apps with a very deep back end admin panel. Work Portfolio attached. Please find Product Names & our ref links below:

1. Play & Brag' – Sports Betting ( http://www.playnbrag.com/ & http://www.playnbragtest.com/ )
2. Students Game Application: https://givling.com/givling/
3. Property Search Applications :- http://www.estateagenttoday.co.uk https://play.google.com/store/apps/details?id=com.estate.ejjarapp https://play.google.com/store/apps/details?id=com.ecs.sarealestate
4. Ecommerce Websites: http://sayitloud.in/
   http://www.ccucu.com/
5. 365 Days - Live Event Tracking & Ticket Booking Application : https://play.google.com/store/apps/details?id=com.ecs.event_365
6. Ecommerce OneHop App: https://itunes.apple.com/in/app/onehop/id1018925896?mt=8
   https://play.google.com/store/apps/details?id=com.onehop.android
7. Marathon Running Statistics App: https://play.google.com/store/apps/details?id=com.pluralmind.myrr

8. P2D Data Management App : https://play.google.com/store/apps/details?id=com.p2d

9. Club Coco – Live Music Event Booking, Music Concerts Ticket Booking Application (http://ecsprojects.com/clubkoko/ )
10. AutoLOve – Messaging App ( Available for Private Demo )
11. Invite Me – Social Networking, Chatting & Dating App ( Available for Private Demo )
12. Figure Me – Social Networking, Chatting & Dating, Profile sharing & Test Sharing in group App
13. Doctlers – Appointment Booking & Social Networking between Doctors community ( www.doctlers.com )
14. Selfixy – Taking Selfie, Pics Sharing over Social Media, PIcs and Profile Sharing in Group ( Available for Private Demo )
15. Friendly Cupids – Social Networking, Chatting & Dating App

16. Artsweep – Making Pictures Albums & sharing with friends through social media (http://www.artsweep.com/ )

17. E-dine –Restaurant Emenu App :- https://play.google.com/store/apps/details?id=com.ecs.edine&hl=en
18. Salon & Spa Booking App: a) https://play.google.com/store/apps/details?id=com.skinsecrets&hl=en b) http://christopher-kinne-203o.squarespace.com/#find c) http://ecsprojects.com/gotsalon/
19. Restaurant Service App :- a) https://play.google.com/store/apps/details?id=com.dezert.main https://play.google.com/store/apps/details?id=com.dezerttab.main b) http://www.alltakeaway.co.za/ c) http://www.tesorarestaurant.com/
20. Car Trade App :- https://play.google.com/store/apps/details?id=com.ecs.buymeacar
21. Snag Management App :- https://mockingbot.in/app/zOq4sORCNjusMnYtNrGReSg5FG9pGHE
22. https://play.google.com/store/apps/details?id=com.ecs.GroupBudget

Entertainment Apps :

1. https://itunes.apple.com/us/app/cool-frames-picture-effects/id688137283?mt=8
2. https://play.google.com/store/apps/details?id=com.ecs.artsweep&hl=en
3. https://itunes.apple.com/in/app/instawords-pro-text-for-pictures/id561089212?mt=8
4. https://itunes.apple.com/in/app/adult-frames-picture-editor/id716696929?mt=8
5. https://itunes.apple.com/us/app/instawords-holiday-edition/id579615295?mt=8
6. https://itunes.apple.com/ca/app/splitsville-you-vs.-celebrities/id541366441?mt=8&ign-mpt=uo%3D2
7. https://itunes.apple.com/us/app/trick-lister-skate-trick-tracker/id610267361?ls=1&mt=8
8. https://itunes.apple.com/us/app/pay-up-s.k.a.t.e.-pro-bets/id622535229?ls=1&mt=8
9. https://itunes.apple.com/us/app/line-dice-free-skate-flat/id668995611?mt=8