1. To develop a launcher replacing the system launcher, with the prohibition of unloading it from the memory (if it is possible to implement it). 2. Features of the application: - Work with white and black lists of applications; - All new applications are automatically added to the black list. - By default, the blacklist is empty, all applications installed on the phone are counted from the whitelist. - All information must be stored on the device, the sending is lost at the moment of connection with the network - there should not be a permanent connection to the Internet. - Initially the device blocks all applications from the black list. To be able to unlock applications from the black list - it is necessary to correctly answer a number of questions (a list of questions by categories is requested from a remote host). -Settings are set by the user when the application is running in the administration mode. - Individual settings for the user of the device and for the owner of the master key. - When dialing enough minutes (specified in the settings) access to applications from the black list is unlocked. - When approaching the number of minutes dialed to completion, the application should notify the user about this (text notification, or audio sigal). - A locked application must remain in memory, but it must not be allowed to jump to it until the user has received the required amount of time. - Statistics answers to questions should also be stored locally and sent to a remote server when access to the network. 3. Appearance: - Presented on the meks. - Provide the ability to change the basic colors of the application in the settings (or choose from a predefined color list).