build me a simple android app for DER-TLV Parser using ASN.1 or java

The app shall be able to parse DER-TLV data. The app modules shall consists of at least 3 modules: • library module This module provides services to handle the parsing of DER-TLV data • UI app This module makes use of the library and provides a UI for interaction with the user (retrieve DER-TLV data, display parsed DER-TLV) • Auto Test module This module tests the functionalities of the library and UI. Depending on the platform, it can be part of the respective module, or in it's own module. 09/18/2018 at 13:13 +08 - Additional information submitted Its very simple and small app with two screen I can provide you all the hint and help. if you needed