Philippines Manila Offline Map was downloaded and set up by over 100K users and its most recent stable release was on Oct 2, 2014. Adverts are a part of the tool. Samsung and Acer users like this application.
You are able to get the .apk installer of Philippines Manila Offline Map 5.0 for free and take a look at users' reviews on Droid Informer. The file size doesn't exceed 20 MB and the app can be launched flawlessly on Android 2.3.3 and higher.
According to the users’ comments, the weak side of the app is annoying ads.