PackageInfo info = getPackageManager().getPackageArchiveInfo(andPath, 0);
ApplicationInfo appinfo = info.applicationInfo;
String packageName = getPackageManager().getApplicationLabel(appinfo).toString();

PackageManager pm=getPackageManager();
ApplicationInfo ai;
try {
     ai = pm.getApplicationInfo(packageName, 0);
} catch (final NameNotFoundException e) {
     ai = null;
}

final String applicationName = (String) (ai != null ? pm.getApplicationLabel(ai) : "(unknown)");

CharSequence c = pm.getApplicationLabel(pm.getApplicationInfo(info.processName,PackageManager.GET_META_DATA));

public List<ApplicationInfo> getApplicationList(Context con){
        PackageManager p = con.getPackageManager();
        List<ApplicationInfo> info = p.getInstalledApplications(0);
        return info;
    }

public String applicationLabel(Context con,ApplicationInfo info){
        PackageManager p = con.getPackageManager();
        String label = p.getApplicationLabel(info).toString();
        return label;
    }

List<ApplicationInfo> info = new ArrayList<ApplicationInfo>();

        info = list.getApplicationList(this);
        LinearLayout layout = (LinearLayout)findViewById(R.id.content);
        layout.setOrientation(1);
        int size = info.size();
        Log.d("size",String.valueOf(size));
        for(int i=0;i<size;i++){
            Log.d("Val of I",String.valueOf(i));
            String appname = list.applicationLabel(this,info.get(i)).toString();
            Log.d("AppName",appname);
            TextView tv = new TextView(this);
            tv.setText(appname);
            layout.addView(tv);
        }

    }

public String applicationLabel (ApplicationInfo info){
     PackageManager p = con.getPackageManager();
     String label = p.getApplicationLabel(info).toString();
     return label;
}

I hope you got application info pass that application info to this function it will give application name.