Get Install Application List on your Android and Launch it with your Application

class PInfo {
		private String appname = "";
		private String pname = "";
		private String versionName = "";
		private int versionCode = 0;
		private Drawable icon;

		private void prettyPrint() {
			Log.v("LOG===>   ", appname + "\t" + pname + "\t" + versionName
					+ "\t" + versionCode);
		}
	}
	
	private ArrayList<PInfo> getPackages() {
		ArrayList<PInfo> apps = getInstalledApps(true); /*
														 * false = no system
														 * packages
														 */
		final int max = apps.size();
		for (int i = 0; i < max; i++) {
			apps.get(i).prettyPrint();
		}
		return apps;
	}
	
	private ArrayList<PInfo> getInstalledApps(boolean getSysPackages) {
		ArrayList<PInfo> res = new ArrayList<PInfo>();
		List<PackageInfo> packs = getPackageManager().getInstalledPackages(0);
		for (int i = 0; i < packs.size(); i++) {
			PackageInfo p = packs.get(i);
			if ((!getSysPackages) && (p.versionName == null)) {
				continue;
			}
			if ((p.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0) {
				String AppName = p.applicationInfo.loadLabel(
						getPackageManager()).toString();
				Log.e("App № " + Integer.toString(i), AppName);
				PInfo newInfo = new PInfo();
				newInfo.appname = p.applicationInfo.loadLabel(
						getPackageManager()).toString();
				newInfo.pname = p.packageName;
				newInfo.versionName = p.versionName;
				newInfo.versionCode = p.versionCode;
				newInfo.icon = p.applicationInfo.loadIcon(getPackageManager());
				res.add(newInfo);
			}

		}
		return res;
	}
	
	convertView.setOnClickListener(new OnClickListener() {

				@Override
				public void onClick(View v) {
					Intent LaunchApp = getPackageManager()
							.getLaunchIntentForPackage(
									arryListAppInfo.get(position).pname);
					startActivity(LaunchApp);
				}
			});