OLSAT for 1st Grade iOS पर चलता है।
| लाइसेंस: | वाणिज्यिक |
| तिथि जोड़ी गई: | 08-01-2025 |
| प्रकाशक: | Polemics Applications LLC |
| चैंज: | Updated for 2022! All new interface, icons and profile screen. Reduced quiz questions to 10 per session for shorter study periods. |
