App Manager manage apps information including: version package name app size api info etc. You can check the apps very clearly.

Detail feature list:

1. Apps List
Show the apps list for user apps and system apps with package name app version target api app size.

2. Show App Target API
Statistical classification of apps based on their target Api. Target API informs the system that application is tested against the target version and the system should not enable any compatibility behaviors to maintain app forward compatibility with the target version. The application is still able to run on older version down to min sdk version.

3. Show App Minimum API
Statistical classification of apps based on their minimum Api. Min SDK designating the minimum Android API level required for the application to run. The system will prevent the user from installing the application if the system api level lower than the Min SDK.

4. Show App Installer
Statistical classification of apps based on their installer source. Application installer with the ability to install Android APK to the phone. Generally the built-in application market and some application can be installed silently. If it is displayed as unknown it maybe an application installed through special means such as ADB.

5. Show App Signature Algorithm
The signature algorithm name for the certificate signature algorithm. An example is the string: SHA256withRSA.