- add necessary UI tips

- restore "view all apps" for host card
- minor fixes

VoidLink/Utility/Utils.h

@@ -32,9 +32,7 @@ FOUNDATION_EXPORT NSString *const deviceName;
 + (unsigned short) addressPortStringToPort:(NSString*)addressPort;
 + (NSString*) addressAndPortToAddressPortString:(NSString*)address port:(unsigned short)port;
 + (bool)hdrSupported;
-+ (bool)needUpdateDefaultSettings;
-+ (BOOL)isIPhone;
-+ (BOOL)isIPad;
+
 
 #if !TARGET_OS_TV
 + (void) launchUrl:(NSString*)urlString;