descriptions of entries checked and either incorporated to keywords and inspirations or redundancies removed

entries/android-chess.md

@@ -4,13 +4,11 @@
 - State: mature
 - Download: https://www.jwtc.nl/downloads
 - Platform: Android
-- Keyword: strategy
+- Keyword: strategy, chess
 - Code repository: https://github.com/jcarolus/android-chess.git
 - Code language: Java, C++
 - Code license: MIT
 
-Chess game.
-
 ## Building
 
 - Build system: Gradle