Trim a few summaries

metadata/com.androidemu.gba.txt

@@ -4,7 +4,7 @@ Web Site:http://gameboid.sf.net
 Source Code:http://sf.net/p/gameboid/code/
 Issue Tracker:http://sf.net/p/gameboid/tickets/
 
-Summary:Gameboy Advance emulator for Android phones
+Summary:Nintendo Gameboy Advance emulator
 Description:
 This project is based on sources published by original GameBoid developer,
 who in turn used code of gpSP.

metadata/com.androidemu.gbc.txt

@@ -4,7 +4,7 @@ Web Site:http://gbcoid.sf.net
 Source Code:http://sf.net/p/gbcoid/code/
 Issue Tracker:http://sf.net/p/gbcoid/tickets/
 
-Summary:NES emulator for Android phones 
+Summary:Gameboy Color (Nintendo) emulator
 Description:
 This project is based on sources made available by original GBCoid developer,
 who in turn used code of gnuboy.

metadata/com.androidemu.nes.txt

@@ -4,7 +4,7 @@ Web Site:http://nesoid.sf.net
 Source Code:http://sf.net/p/nesoid/code/
 Issue Tracker:http://sf.net/p/nesoid/tickets/
 
-Summary:NES emulator for Android phones 
+Summary:Nintendo NES emulator
 Description:
 This project is based on sources made available by original Nesoid developer,
 who in turn used code of FCEUltra (currently known as FCEUX).

metadata/com.dririan.RingyDingyDingy.txt

@@ -5,7 +5,7 @@ Source Code:https://github.com/dririan/ringydingydingy
 Issue Tracker:https://github.com/dririan/ringydingydingy/issues
 Donate:http://flattr.com/thing/809447/RingyDingyDingy
 
-Summary:Lightweight remote ring and lock application for phones and tablets
+Summary:Lightweight remote ring and lock app
 Description:
 A lightweight remote ringer/locker that can be triggered by SMS messages or
 Google Voice text messages. Additionally, it has an external API that