The Closing 2 - Hearing Skills application is an APP that complements the Closing 1 APP, containing 15 tracks with adult voice, with white noise, divided into 3 difficulty levels (easy, medium, difficult); plus 24 tracks with children's voices, with school noise, equally divided into 3 difficulty levels (easy, medium, difficult). The exercises were designed and created by speech therapists Filipa Branco and Sara Araújo, under the guidance of Professor Cristiane Lima Nunes, with the aim of developing Central Auditory Processing, more specifically the closing auditory competence.