This story was originally published and last updated .
App cache can be a controversial topic on Android. Many people clear their app cache religiously, with the belief that it will keep their phone from getting sluggish and avoid unnecessary buildup on their phone's internal storage. Others say it defeats the whole purpose of caching in the first place, and just makes your app startup times and other activities take longer. The reality is somewhere in the middle: some apps may not use caching efficiently, causing it to use unnecessarily large amounts of storage. Or, it could be that an app's cached data causes problems when that app receives an update.
Android’s built-in backup system has improved immensely over the years, but it still falls short in a number of key areas, leading to much frustration for users. Its shortcomings are even more apparent when compared with Apple’s iCloud backup for iPhones, which — while not perfect — is better at copying over app data so users don’t have to spend hours setting up a new phone.
Google has never been good at app backups, so uninstalling an app usually means losing all the data associated with it forever. Android 10 has a feature that saves your app data, and it's just starting to appear in a handful of apps. One of them is WhatsApp, meaning you can save your accounts and chats even if you uninstall it from your phone.
Have you ever wondered just how private your data is? How protected your personal info is? For all you know, apps could be running off sharing your phone number, contact log, and device ID to third parties. Or even worse, they could be doing so over an unencrypted connection. I shudder at the very thought.
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Welcome back! Google Play Services 3.1 is such a ridiculously huge update; I had to stretch it out over two articles - that's a first for APK Teardown. If you somehow missed the Google Play Games extravaganza, part one is right here.
Part two is all about the non-games discoveries, which there are a lot of. Before we get into that though, there is one detail I left out of the games article that I really should mention:
The Play Games Codename
Google always comes up with the coolest code names for projects, and the Play Services games client is no exception.