cocos2dx 3.0 samples crashes on android

I already posted about this issue i dont get any proper reply,I had followed all the required steps for building samples through cocos2dx3.0 but the result is same.Project is compiling properly and when i execute in android device or in emulator it opens the sample and for few seconds screen remains black and then it crashes.Please help me on this.

This is the log that i get on device as well as in emulator:

09-30 23:29:35.949: D/libEGL(1075): loaded /system/lib/egl/libEGL_emulation.so
09-30 23:29:36.029: D/(1075): HostConnection::get() New Host Connection established 0x2a1b6030, tid 1090
09-30 23:29:36.099: D/libEGL(1075): loaded /system/lib/egl/libGLESv1_CM_emulation.so
09-30 23:29:36.149: D/libEGL(1075): loaded /system/lib/egl/libGLESv2_emulation.so
09-30 23:29:36.389: D/JniHelper(1075): JniHelper::setJavaVM(0x2a009c68), pthread_self() = 2A1B4960
09-30 23:29:36.389: W/dalvikvm(1075): dvmFindClassByName rejecting ‘org/cocos2dx/lib/Cocos2dxHelper’
09-30 23:29:36.399: W/dalvikvm(1075): JNI WARNING: JNI method called with exception pending
09-30 23:29:36.399: W/dalvikvm(1075): in Ldalvik/system/NativeStart;.run:()V (GetStaticMethodID)
09-30 23:29:36.399: W/dalvikvm(1075): Pending exception is:
09-30 23:29:36.399: I/dalvikvm(1075): java.lang.ClassNotFoundException: Didn’t find class “org/cocos2dx/lib/Cocos2dxHelper” on path: DexPathList[[zip file “/data/app/org.cocos2dx.hellocpp-2.apk”],nativeLibraryDirectories=[/data/app-lib/org.cocos2dx.hellocpp-2, /vendor/lib, /system/lib]]
09-30 23:29:36.399: I/dalvikvm(1075): at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:53)
09-30 23:29:36.409: I/dalvikvm(1075): at java.lang.ClassLoader.loadClass(ClassLoader.java:501)
09-30 23:29:36.409: I/dalvikvm(1075): at java.lang.ClassLoader.loadClass(ClassLoader.java:461)
09-30 23:29:36.419: I/dalvikvm(1075): at dalvik.system.NativeStart.run(Native Method)
09-30 23:29:36.419: I/dalvikvm(1075): “Thread-90” prio=5 tid=11 NATIVE
09-30 23:29:36.419: I/dalvikvm(1075): | group=“main” sCount=0 dsCount=0 obj=0x416eff30 self=0x2a1c7cf0
09-30 23:29:36.429: I/dalvikvm(1075): | sysTid=1090 nice=0 sched=0/0 cgrp=apps handle=706431328
09-30 23:29:36.429: I/dalvikvm(1075): | state=R schedstat=( 121616845 422497680 68 ) utm=7 stm=5 core=0
09-30 23:29:36.499: I/dalvikvm(1075): #00 pc 000012fe /system/lib/libcorkscrew.so (unwind_backtrace_thread+29)
09-30 23:29:36.499: I/dalvikvm(1075): #01 pc 0005fd92 /system/lib/libdvm.so (dvmDumpNativeStack(DebugOutputTarget const*, int)+33)
09-30 23:29:36.509: I/dalvikvm(1075): #02 pc 00053e28 /system/lib/libdvm.so (dvmDumpThreadEx(DebugOutputTarget const**, Thread**, bool)+395)
09-30 23:29:36.509: I/dalvikvm(1075): #03 pc 00053e96 /system/lib/libdvm.so (dvmDumpThread(Thread*, bool)+25)
09-30 23:29:36.519: I/dalvikvm(1075): #04 pc 000385c0 /system/lib/libdvm.so
09-30 23:29:36.519: I/dalvikvm(1075): #05 pc 0003dbcc /system/lib/libdvm.so
09-30 23:29:36.529: I/dalvikvm(1075): #06 pc 00113f32 /data/app-lib/org.cocos2dx.hellocpp-2/libhellocpp.so (cocos2d::JniHelper::getStaticMethodInfo(cocos2d::JniMethodInfo_&, char const**, char const**, char const*)+93)
09-30 23:29:36.529: I/dalvikvm(1075): #07 pc 00112c4c /data/app-lib/org.cocos2dx.hellocpp-2/libhellocpp.so
09-30 23:29:36.529: I/dalvikvm(1075): #08 pc 001c7654 /data/app-lib/org.cocos2dx.hellocpp-2/libhellocpp.so
09-30 23:29:36.529: I/dalvikvm(1075): #09 pc 001131e6 /data/app-lib/org.cocos2dx.hellocpp-2/libhellocpp.so (android_main+125)
09-30 23:29:36.529: I/dalvikvm(1075): #10 pc 001c74c2 /data/app-lib/org.cocos2dx.hellocpp-2/libhellocpp.so
09-30 23:29:36.529: I/dalvikvm(1075): #11 pc 0000ca58 /system/lib/libc.so (__thread_entry+72)
09-30 23:29:36.529: I/dalvikvm(1075): #12 pc 0000cbd4 /system/lib/libc.so (pthread_create+208)
09-30 23:29:36.539: I/dalvikvm(1075): at dalvik.system.NativeStart.run(Native Method)
09-30 23:29:36.539: E/dalvikvm(1075): VM aborting
09-30 23:29:36.539: A/libc(1075): Fatal signal 11 (SIGSEGV) at 0xdeadd00d (code=1), thread 1090 (cos2dx.hellocpp)