TY JOUR TI MOBILE APPLICATION FOR DIARY OF CALORIE INTAKE WITH ELEMENTS OF SOCIAL NETWORKS AND ACHIEVEMENT MOTIVATION KW mobile application KW calorie counting KW food tracker KW gamification KW social network KW motivation KW healthy lifestyle JO Modern Technologies and Scientific and Technological Progress AU Eremina, I.M. AU Suvorova, T.S. PY 2026 IS 2026 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»