diff --git a/uppsrc/ide/Android/Android.cpp b/uppsrc/ide/Android/Android.cpp
index 89e8eb846..da9231938 100644
--- a/uppsrc/ide/Android/Android.cpp
+++ b/uppsrc/ide/Android/Android.cpp
@@ -20,4 +20,75 @@ String Android::GetCmdExt()
 #endif		
 }
 
+void Android::NormalizeVersions(Vector<String>& versions)
+{
+	String prefix = FindVersionsPrefix(versions);
+	String longestVersion = FindLongestVersion(versions);
+	
+	int longestVersionCount = longestVersion.GetCount();
+	for(int i = 0; i < versions.GetCount(); i++) {
+		int diff = longestVersionCount - versions[i].GetCount();
+		if(diff <= 0)
+			continue;
+			
+		String version = versions[i];
+		if(!prefix.IsEmpty())
+			version.Replace(prefix, "");
+		for(int j = 0; j < diff; j++)
+			version = "0" + version;
+		versions[i] = prefix + version;
+	}
+}
+
+void Android::RemoveVersionsNormalization(Vector<String>& versions)
+{
+	String prefix = FindVersionsPrefix(versions);
+	for(int i = 0; i < versions.GetCount(); i++) {
+		String version = versions[i];
+		if(!prefix.IsEmpty())
+			version.Replace(prefix, "");
+		for(;;) {
+			if(!version.StartsWith("0"))
+				break;
+			version.Remove(0);
+		}
+		versions[i] = prefix + version;
+	}
+}
+
+String Android::FindVersionsPrefix(const Vector<String>& versions)
+{
+	String prefix;
+	for(int i = 0; i < versions.GetCount(); i++) {
+		String currentPrefix;
+		String version = versions[i];
+		for(int j = 0; j < 10; j++) { 
+			int idx = version.Find(IntStr(j));
+			if(idx < 0)
+				continue;
+			String left = version.Left(idx);
+			if(currentPrefix.IsEmpty() || left.GetCount() < currentPrefix.GetCount())
+				currentPrefix = left;
+		}
+		if(i == 0)
+			prefix = currentPrefix;
+		else
+		if(i > 0 && currentPrefix != prefix)
+			return "";
+	}
+	
+	return prefix;
+}
+
+String Android::FindLongestVersion(const Vector<String>& versions)
+{
+	String longest;
+	for(int i = 0; i < versions.GetCount(); i++) {
+		String current = versions[i];
+		if(current.GetCount() > longest.GetCount())
+			longest = current;
+	}
+	return longest;
+}
+
 END_UPP_NAMESPACE
diff --git a/uppsrc/ide/Android/Android.h b/uppsrc/ide/Android/Android.h
index c5de5c3fd..e88a195c7 100644
--- a/uppsrc/ide/Android/Android.h
+++ b/uppsrc/ide/Android/Android.h
@@ -14,6 +14,13 @@ public:
 	static String GetScriptExt();
 	static String GetCmdExt();
 	
+	static void NormalizeVersions(Vector<String>& versions);
+	static void RemoveVersionsNormalization(Vector<String>& versions);
+	
+private:
+	static String FindVersionsPrefix(const Vector<String>& versions);
+	static String FindLongestVersion(const Vector<String>& versions);
+	
 private:
 	Android();
 	Android(const Android&);
@@ -95,16 +102,22 @@ public:
 	
 	bool Validate() const;
 	
+	String FindDefaultPlatform() const;
 	String FindDefaultToolchain() const;
 	String FindDefaultCppRuntime() const;
 	
+	Vector<String> FindPlatforms() const;
 	Vector<String> FindToolchains() const;
 	Vector<String> FindCppRuntimes() const;
 	
 public:
+	String GetIncludeDir() const;
+
+	String GetPlatformsDir() const  { return path + DIR_SEPS + "platforms"; }
+	String GetToolchainsDir() const { return path + DIR_SEPS + "toolchains"; }
+	
 	String GetNdkBuildPath() const  { return path + DIR_SEPS + "ndk-build" + Android::GetCmdExt(); }
 	String GetGdbPath() const       { return path + DIR_SEPS + "ndk-gdb"; }
-	String GetToolchainsDir() const { return path + DIR_SEPS + "toolchains"; }
 	
 public:
 	String GetPath() const { return this->path; }
diff --git a/uppsrc/ide/Android/AndroidNDK.cpp b/uppsrc/ide/Android/AndroidNDK.cpp
index 2d900074f..88cd58c68 100644
--- a/uppsrc/ide/Android/AndroidNDK.cpp
+++ b/uppsrc/ide/Android/AndroidNDK.cpp
@@ -30,12 +30,24 @@ bool AndroidNDK::Validate() const
 	return true;
 }
 
+String AndroidNDK::FindDefaultPlatform() const
+{
+	Vector<String> platforms = FindPlatforms();
+	
+	Android::NormalizeVersions(platforms);
+	Sort(platforms, StdGreater<String>());
+	Android::RemoveVersionsNormalization(platforms);
+	
+	return !platforms.IsEmpty() ? platforms[0] : "";
+}
+
 String AndroidNDK::FindDefaultToolchain() const
 {
 	Vector<String> toolchains = FindToolchains();
 	Sort(toolchains, StdGreater<String>());
 	
-	return toolchains.GetCount() ? toolchains[toolchains.GetCount() - 1] : "";
+	int count = toolchains.GetCount();
+	return count ? toolchains[count - 1] : "";
 }
 
 String AndroidNDK::FindDefaultCppRuntime() const
@@ -43,6 +55,18 @@ String AndroidNDK::FindDefaultCppRuntime() const
 	return "gnustl_shared";
 }
 
+Vector<String> AndroidNDK::FindPlatforms() const
+{
+	Vector<String> platforms;
+	
+	for(FindFile ff(AppendFileName(GetPlatformsDir(), "*")); ff; ff.Next()) {
+		if(!ff.IsHidden() && ff.IsFolder())
+			platforms.Add(ff.GetName());
+	}
+	
+	return platforms;
+}
+
 Vector<String> AndroidNDK::FindToolchains() const
 {
 	Vector<String> toolchains;
@@ -83,4 +107,15 @@ Vector<String> AndroidNDK::FindCppRuntimes() const
 	return runtimes;
 }
 
+String AndroidNDK::GetIncludeDir() const
+{
+	String dir;
+	dir << GetPlatformsDir() << DIR_SEPS << FindDefaultPlatform() << DIR_SEPS;
+	// TODO: decide how to implement architecture selection.
+	dir << "arch-arm" << DIR_SEPS;
+	dir << "usr" << DIR_SEPS << "include";
+	
+	return DirectoryExists(dir) ? dir : "";
+}
+
 END_UPP_NAMESPACE
diff --git a/uppsrc/ide/Android/AndroidSDK.cpp b/uppsrc/ide/Android/AndroidSDK.cpp
index a2d899820..cbfbf0040 100644
--- a/uppsrc/ide/Android/AndroidSDK.cpp
+++ b/uppsrc/ide/Android/AndroidSDK.cpp
@@ -173,7 +173,10 @@ String AndroidSDK::FindDefaultPlatform() const
 {
 	Vector<String> platforms = FindPlatforms();
 	if(platforms.GetCount()) {
+		Android::NormalizeVersions(platforms);
 		Sort(platforms, StdGreater<String>());
+		Android::RemoveVersionsNormalization(platforms);
+		
 		int idx = 0;
 		for(int i = 0; i < platforms.GetCount(); i++) {
 			if(RegExp("^android-[0-9]*$").Match(platforms[i])) {
diff --git a/uppsrc/ide/Java/Java.h b/uppsrc/ide/Java/Java.h
index 13101a80e..237f5f049 100644
--- a/uppsrc/ide/Java/Java.h
+++ b/uppsrc/ide/Java/Java.h
@@ -31,6 +31,7 @@ public:
 	
 public:
 	String GetBinDir() const        { return path + DIR_SEPS + "bin"; }
+	String GetIncludeDir() const    { return path + DIR_SEPS + "include"; }
 	
 	String GetJarPath() const       { return GetBinDir() + DIR_SEPS + "jar" + GetExeExt(); }
 	String GetJavacPath() const     { return GetBinDir() + DIR_SEPS + "javac" + GetExeExt(); }
diff --git a/uppsrc/ide/Methods.cpp b/uppsrc/ide/Methods.cpp
index ce15806f2..84e6cd4da 100644
--- a/uppsrc/ide/Methods.cpp
+++ b/uppsrc/ide/Methods.cpp
@@ -832,7 +832,12 @@ String Ide::GetIncludePath()
 	}
 	MergeWith(include, ";", mingw_include[q]);
 #endif
-
+	if(findarg(bm.Get("BUILDER"), "ANDROID") >= 0) {
+		AndroidNDK ndk(bm.Get("NDK_PATH"));
+		if(ndk.Validate())
+			MergeWith(include, ";", ndk.GetIncludeDir());
+	}
+	
 	const Workspace& wspc = GetIdeWorkspace();
 	for(int i = 0; i < wspc.GetCount(); i++) {
 		const Package& pkg = wspc.GetPackage(i);