Company Ministry of Education (Singapore) created these great apps:
MOE Schoolbag, VIA Good Stories, HeART of the Singapore River, ASPIRE: The Journey, C-Quest, C(SP) 1A (Part 2), SG50 HOME, Musically Singaporean, C(SP) 1B, Collin's World, C(SP) 2A, Cambahan Kata, C(SP) 2B, CSP3A, Parents Gateway, CSP 3B, OPAL2.0, and others..