Features of the Android app
1) Location-based Buy and Sell
2) The user can set their location
3) Download item from user
4) Advanced Search
5) Items by Category
6) List of categories
7) List subcategories
8) Product Details
9) Firebase Chatting
10) Offer/Acceptance/Rejection/Rejection between Buyer and Seller
11) Push-Notification
12) Favorite User Element
13) Entry to the system Registration and Exit
14) Subscribe to User
15) Facebook Log
16) Multilinguality
17) Support RTL
18) Rating and review between buyer and seller
19) Blog
20) Version Control
21) Google Log
22) Phone Login
23) Security Tips
24) User Confirmation (email, phone, Facebook, Google)

Backend features
1) Category Management
2) Subcategories Management
3) Commodity Management
4) Currency Control
5) Commodity Price Management
6) Commodity Type Management
7) Product Location Management
8) Blog Management
9) Report on the most popular goods
10) Most Rated Users
11) Contact Us Message
12) Marked Items
13) Registered Users
14) Push Notification
15) Setting up the app (Location Management for your app)
16) O'amp; Settings
17) API-keys
18) Version