Merge pull request graphql#1076 from martinbonnin/patch-3

Update apollo-android.md

Author: orta

src/content/code/language-support/java-kotlin-android/client/apollo-android.md

@@ -1,8 +1,19 @@
 ---
 name: Apollo Android
-description: A strongly-typed, caching GraphQL client for Android, written in Java.
+description: A strongly-typed, caching GraphQL client for Android, the JVM and Kotlin multiplatform.
 url: https://github.com/apollographql/apollo-android
 github: apollographql/apollo-android
 ---
 
+Apollo Android is a Kotlin client with support for Android, Java8+, iOS and MacOS. It features:
 
+* Java and Kotlin code generation
+* Queries, Mutations and Subscriptions
+* Reflection-free parsing of responses
+* Normalized cache
+* HTTP cache
+* File uploads
+* Persisted queries
+* Query batching
+* Custom scalar types
+* Reactive bindings for: RxJava2, RxJava3, Coroutines, Reactor and Mutiny