diff --git a/haxetool/android.js b/haxetool/android.js
index 3d93428..a80a53e 100644
--- a/haxetool/android.js
+++ b/haxetool/android.js
@@ -1,4 +1,5 @@
 const fs = require('fs');
+const path = require('path');
 const exec = require('./exec');
 const through = require('through2');
 const Sdk = require('./sdk');
@@ -22,24 +23,27 @@ class Android extends Sdk {
     get link() {
         const system = Sdk.System.isWindows ? 'windows' : Sdk.System.isLinux ? 'linux' : null;
         if (!system) throw 'Unsupported system';
-        //return `https://dl.google.com/android/repository/sdk-tools-${system}-${this.version}.zip`;
-        return `https://dl.google.com/android/repository/tools_r${this.version}-${system}.zip`;
+        if (this.version.indexOf('.') === -1) {
+            return `https://dl.google.com/android/repository/tools_r${this.version}-${system}.zip`;
+        } else {
+            return `https://dl.google.com/android/repository/sdk-tools-${system}-${this.version}.zip`;
+        }
+    }
+
+    get android_home() {
+        return this.path;
+    }
+
+    get ndk_home() {
+        return path.join(this.path, 'ndk-bundle')
     }
 
     prepare() {
-        return this.prepared ? Promise.resolve() : super.prepare(0).then(() => {
-            return this.sdkmanager([
-               'ndk-bundle',
-               'tools',
-               'platform-tools',
-               'build-tools;27.0.3',
-               'platforms;android-27',
-            ]);
-        });
+        return super.prepare(0);
     }
 
     sdkmanager(packages) {
-        const androidBin = `${this.path}/tools/bin/sdkmanager`;
+        const androidBin = path.join(this.path, 'tools/bin/sdkmanager');
         if (fs.existsSync(androidBin)) {
             fs.chmodSync(androidBin, 0o755);
         }
@@ -48,11 +52,13 @@ class Android extends Sdk {
     }
 
     activate() {
-        Env.set('ANDROID_HOME', this.path);
+        Env.set('ANDROID_HOME', this.android_home);
+        Env.set('ANDROID_NDK_HOME', this.ndk_home);
+        Env.set('NDK_HOME', this.ndk_home);
     }
 
     adb(args) {
-        const adbBin = `${this.path}/platform-tools/adb`;
+        const adbBin = path.join(this.path, 'platform-tools/adb');
         return exec('.', [adbBin].concat(args).join(' ')).then(data => {
             for (let line of data.stderr.split('\n')) {
                 if (line.indexOf('Error') > -1) {
@@ -64,10 +70,10 @@ class Android extends Sdk {
 
     aapt(args) {
         let buildToolsVersion = null;
-        fs.readdirSync(`${this.path}/build-tools`).forEach(file => {
+        fs.readdirSync(path.join(this.path, 'build-tools')).forEach(file => {
             buildToolsVersion = file;
         });
-        const aaptBin = `${this.path}/build-tools/${buildToolsVersion}/aapt`;
+        const aaptBin = path.join(this.path, 'build-tools', buildToolsVersion, 'aapt');
         return exec('.', [aaptBin].concat(args).join(' '));
     }
 
@@ -122,6 +128,6 @@ Android.ID = 'android';
 Android.VERSION_25_2_3 = '25.2.3';
 Android.VERSION_3859397 = '3859397';
 
-Android.VERSION = Android.VERSION_25_2_3;
+Android.VERSION = Android.VERSION_3859397;
 
 module.exports = Android;
diff --git a/haxetool/exec.js b/haxetool/exec.js
index 7024117..6e65efe 100755
--- a/haxetool/exec.js
+++ b/haxetool/exec.js
@@ -6,7 +6,7 @@ const log = require('./log')('exec');
 const queue = async.queue((task, done) => {
     log.d('*%s*', task.command);
     //process.chdir(task.dir);
-    child_process.exec(task.command, {cwd: task.dir, maxBuffer: 1024 * 5000}, (err, stdout, stderr) => {
+    child_process.exec(task.command, {cwd: task.dir, maxBuffer: 1024 * 10000}, (err, stdout, stderr) => {
         if (err) {
             log.v('!%s!', err);
             task.failure(stderr || stdout || err);
diff --git a/haxetool/project.js b/haxetool/project.js
index 29a23b2..143d5b7 100644
--- a/haxetool/project.js
+++ b/haxetool/project.js
@@ -7,6 +7,7 @@ const Haxe = require('./haxe');
 const FlashPlayer = require('./flashplayer');
 const Android = require('./android');
 const Neko = require('./neko');
+const Env = require('./env');
 const debug = require('./debug');
 const webserver = require('gulp-webserver');
 const run = require('../run/index');
@@ -88,18 +89,25 @@ class HaxeBuilder extends Builder {
         let result = this.haxe.prepare().then(() => this.haxe.install(this.config.libs));
         if (this.buildSystem === BuildSystem.OPENFL) {
             if (this.platform === Platform.ANDROID) {
-                result = result.then(() => this.android.prepare()).then(() => this.android.activate());
+                result = result
+                    .then(() => this.android.prepare())
+                    .then(() => this.android.activate())
+                    .then(() => this.android.sdkmanager([
+                        'tools',
+                        'platform-tools',
+                        'build-tools;27.0.3',
+                        'platforms;android-19',
+                        'ndk-bundle',
+                        'lldb;3.1',
+                        'cmake;3.6.4111459',
+                    ]));
+                const AndroidSDK = this.android.android_home;
+                const AndroidNDK = this.android.ndk_home;
+                const answer = `echo "${[AndroidSDK, AndroidNDK].join('\n')}"`;
+                result = result.then(() => {
+                    return exec('.', [answer, '|', this.haxe.haxelibBin, 'run', 'openfl', 'setup', this.platform].join(' '));
+                });
             }
-            result = result.then(() => {
-                return exec('.', [
-                    'echo',
-                    `"${this.android.path}"`,
-                    `"${this.android.path + '/ndk-bundle'}"`,
-                    '|',
-                    this.haxe.haxelibBin, 'run', 'openfl', 'setup', this.platform,
-                ].join(' '));
-                //return this.haxe.haxelib(['echo'].concat(answers.map(item => `"${item}"`)).concat(['|', 'run', 'openfl', 'setup', this.platform]));
-            });
         }
         return result;
     }